Question

Si no saben no respondan xfavor

Answer 1

4 - x^2 = 0

0 = x^2 - 4

x^2 - 4 = 0

x^2 - 0x - 4 = 0

x -2

x 2

ENTONCES:

x - 2 = 0

x = 2

x + 2 = 0

x = -2