Question

Factor each difference of two squares

4x^2-25
and show work.

Answer 1

4x^2-25
-25 + 25 + 4x2 = 0 + 25
0 + 4x2 = 0 + 25
4x2 = 0 + 25
4x2 = 25
Divide by '4'.
x2 = 6.25
x = {-2.5, 2.5}