Question

Solve the quadratic equation.
(x + 1)2 = 16
x = 3 or-5
x= -3 or 5
X = 35

Answer 1

X=7

(x - 3 )(x +5)

(x+3) (x-5)

X - 35

Explanation:

(x + 1)2 = 16

Expanding , we have

2x + 2 = 16

2x = 16 - 2

2x = 14

X= 7.