Question

Solve the equation using square roots. 7x^2 + 6 =13

Answer 1

x=1

Explanation:

Take the root of both sides and solve

Answer 2

Answer: x=1, x=-1

1. Step-by-step explanation

7x^2+6-6=13-6

7x^2/7=7/7

x^2=1

x=square root(-1) square root(1)

negative goes outside

the square root

x=-1 x=1