$MathMaster logo$

MathMaster

Home
general
x 2 25

Question

X^2 = 25

177

likes

886 views

Answer to a math question X^2 = 25

$Expert avatar$

4.7

109 Answers

${x}^{2}-25=0$

$\left( x-5 \right) \times \left( x+5 \right)=0$

$\begin{array} { l }x-5=0,\\x+5=0\end{array}$

$\begin{array} { l }x=5,\\x+5=0\end{array}$

$\begin{array} { l }x=5,\\x=-5\end{array}$

$\begin{array} { l }x_1=-5,& x_2=5\end{array}$

Frequently asked questions (FAQs)

Math Question: What is the exact value of the cosine of an angle in the unit circle that is 150 degrees from the positive x-axis?

+

Math question: What is the equation of an ellipse with major radius 5 and minor radius 3?

+

What is the value of sin(45°)cos(30°)tan(60°) - cos(45°)sin(30°)cot(60°)?

+

New questions in Mathematics

A car tire can rotate at a frequency of 3000 revolutions per minute. Given that a typical tire radius is 0.5 m, what is the centripetal acceleration of the tire?

what is 9% of 307

What payment 7 months from now would be equivalent in value to a $3,300 payment due 23 months from now? The value of money is 2.7% simple interest. Round your answer to 2 decimal places. Show all work and how you arrive at the answer..

The sum of two numbers is 6, and the sum of their squares is 28. Find these numbers exactly

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.

Supposed 60% of the register voters in a country or democrat. If a sample of 793 voters is selected, what is the probability that the sample proportion of Democrats will be greater than 64% round your answer to four decimal places

The actual length of an object is 1.3 m . If the blueprint uses a scale of 1 : 12 , what is the length of the line on the drawing?

A person borrows rm 1000 from a bank at an interest rate of 10%. After some time, he pays the bank rm 1900 as full and final settlement of the loan. Estimate the duration of his loan.

Reparameterize the curve r(t)= cos(t)i without (t)j (t)k by the arc length.

A circular window has a rubber molding around the edge. If the window has a radius of 250 mm, how long is the piece of molding that is required ? (To the nearest mm)

There are 3 orchards, a, b and c. Orchard a has 60 fewer trees than orchard b orchard c has 3 times as many trees as orchard b. If the three orchards have 430 trees altogether, how many trees does orchard c have?

Determine the kinetic energy of a baseball whose mass is 100 grams and has a speed of 30 m/s.

Find the equation of a straight line that has slope 3 and passes through the point of (1, 7) . Write the equation of the line in general forms

Find the set of points formed by the expression 𝜋<|𝑧−4+2𝑖|<3𝜋.

Square root of 169 with steps

How many digits are there in Hindu-Arabic form of numeral 26 × 1011

g(x)=3(x+8). What is the value of g(12)