Question

Find the solution(s) for x in the equation below.

x^2 - 25 = 0

A. x = -5
B. no solutions
C. x = 5
D. x = 5; x = -5

Answer 1

D) x=5, x=-5.

Explanation:

x^2-25=0

factor

(x+5)(x-5)=0

x+5=0, x-5=0,

x=0-5=-5,

x=0+5=5.