Question

2x^2+1=9
find x please!!! will give brainliest

Answer 1

Answer: x = -2, 2

Step-by-step explanation:

2x^2 + 1 = 9

        -1.     -1

2x^2 = 8

2x^2/2 = 8/2

x^2 = 4

$\sqrt{x^2} = \sqrt{4}$

x = -2, 2