$MathMaster logo$

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)

What is the derivative of f(x) = 3x^4 - 8x^3 + 2x^2 - 6x + 11 with respect to x?

+

What is the equation of a parabola that opens upward, has a vertex at (3, -2), and passes through the point (1, 4)?

+

What is the product of 72 and 81 multiplied together?

+

New questions in Mathematics

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

431414-1*(11111-1)-4*(5*3)

the value of sin 178°58'

What will be the density of a fluid whose volume is 130 cubic meters contains 16 technical units of mass? If required Consider g=10 m/s2

(5u + 6)-(3u+2)=

A job takes 9 workers 92 hours to finish. How many hours would it take 5 workers to complete the same job?

is the x element (180,270), if tanx-3cotx=2, sinx ?

A person decides to invest money in fixed income securities to redeem it at the end of 3 years. In this way, you make monthly deposits of R$300.00 in the 1st year, R$400.00 in the 2nd year and R$500.00 in the 3rd year. Calculate the amount, knowing that compound interest is 0.6% per month for the entire period. The answer is 15,828.60

The simple average of 15 , 30 , 40 , and 45 is

Use a pattern approach to explain why (-2)(-3)=6

Determine a general formula (or formulas) for the solution to the following equation. Then, determine the specific solutions (if any) on the interval [0,2π). cos30=0

Let f and g be defined in R and suppose that there exists M > 0 such that |f(x) − f(p)| ≤ M|g(x) − g(p)|, for all x. Prove that if g is continuous in p, then f will also be continuous in p.

Calculate the change in internal energy of a gas that receives 16000 J of heat at constant pressure (1.3 atm) expanding from 0.100 m3 to 0.200 m3. Question 1Answer to. 7050J b. 2125J c. None of the above d. 2828J and. 10295 J

Calculate the area of the parallelogram with adjacent vertices (1,4, −2), (−3,1,6) 𝑦 (1, −2,3)

In an economy with C= 10+0.8 Yd ; I= 20+0.1Y ; G= 100 ; X= 20 ; M=10+0.2Y ; T=-10+0.2Y and R= 10, when knew that Yd= Y-T+R. How much is the budget? A. -23.18 B. -28.13 C. -13.28 D. -32.18

Consider the function f(x)=1/2(x+1)^2-3. Use the preceding/following interval method to estimate the instantaneous rate of change at 𝑥 = 1.

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