Question

X2-16= -2x - 1

Please help

Answer 1

The solutions are -5 and 3.

Explanation:

`x^2 - 16 = -2x-1`

`x^2 - 16 +2x+1=0`

`x^2 +2x-15=0`

Factoring the quadratic expression:

`(x+5)(x-3)= x^2 +2x-15=0`

So,

`x+5 = 0 \implies x =-5`

`x-3 = 0 \implies x =3`