$MathMaster logo$

MathMaster

Home
general
x 3 x 2 4 0 what are the values of x

Question

X^3 - x^2 - 4 = 0, what are the values of x?

108

likes

539 views

Answer to a math question X^3 - x^2 - 4 = 0, what are the values of x?

$Expert avatar$

4.6

101 Answers

$(x-2)(x^{2}+x+2)=0$

$x-2=0\lor x^{2}+x+2=0$

$x=2,x=-\frac{1}{2}+i\frac{\sqrt{7}}{2},x=-\frac{1}{2}-i\frac{\sqrt{7}}{2}$

Frequently asked questions (FAQs)

What is the sine of the angle π/3 radians?

+

What is the equation of an ellipse with vertical major/minor axes, center (h, k), major axis length of 2a, and minor axis length of 2b?

+

What is the domain of the cosine function restricted to real numbers?

+

New questions in Mathematics

5 . {2/5 + [ (8/-9) - (1/-7) + (-2/5) ] ÷ (2/-5)} . 8/15

calculate the following vector based on its base vectors a= -18i,26j

Exercise 4 - the line (AC) is perpendicular to the line (AB) - the line (EB) is perpendicular to the line (AB) - the lines (AE) and (BC) intersect at D - AC = 2.4 cm; BD = 2.5 cm: DC = 1.5 cm Determine the area of triangle ABE.

If L (-2, -5) reflected across y = -4. What are the coordinates of L?

Derivative of x squared

A bird randomly chooses to land on 1 of 12 perches available in its aviary. Determine the Probability of it landing on a perch numbered 8 and then on a perch marked with a prime number; take into account that he never lands on the same perch in the sequence.

78 percent to a decimal

Prove that it is not possible to arrange the integers 1 to 240 in a table with 15 rows and 16 columns in such a way that the sum of the numbers in each of the columns is the same.

I want you to solve this problem as a grade sixth pupil in primary school: 8 Pigs ate 6 bags of fee in 20 days. How long will it take 10 pigs to eat 15 bags of feed eating at the same rate?

Convert 5/9 to a decimal

John he’s going to the carnival with his friends. He spends $25 on an admission ticket. He buys 10 games at X dollars each and two boxes of popcorn at Y dollars each. Write an expression to show the total cost of admission game, tickets and popcorn.

cube root of 56

Calculate the difference between 407 and 27

A company made 150,000 in the first year 145,000 in the second 140,000 in the third year successively during the first decade of this company's existence it made a total of

On Tuesday Shanice bought five hats.On Wednesday half of all the hats that she had were destroyed.On Thursday there were only 17 left.How many Did she have on Monday.

there are 500,000 bacteria at the end of a pin point. 1000 bacteria can make a person sick. then bacteria at the tip of a pin point can make 500 people sick. Also, many people do not know that bacteria can (reproduce). Let's say there are 5 bacteria and we leave it for 15 minutes. bacteria will multiply to 10. if left for up to 30 minutes, 20 bacteria will form. if left up to 45 minutes. bacteria will multiply up to 40. every 15 minutes the bacteria will double 2. if you start with five bacteria that reproduce every 15 minutes, how manu bacteria would you have after 12 hours ?

answer this math question The scale on a map is drawn so that 5.5 inches corresponds to an actual distance of 225 miles. If two cities are 12.75 inches apart on the map, how many miles apart are they? (Round to the nearest tenth) miles apart. The two cities are how many miles apart

What is the set-off agreement? Make your own example, describe and put in T accounts how you record transactions.