Question

(vii) (x2 - 4) + (x2 + 4) + 16 =​

Answer 1

Step-by-step explanation:

(2x-4)+(2x+4)+16= 0

2x-4+2x+4+16 = 0

2x+2x= 4-4-16

4x= -16

x = -16/4

x = -4