Find the solutions to x^2 = 8

Question

asked Dec 18, 2021 121k views

2 Answers

Eugen Mayer · Answer 1 · 2021-12-20T22:34:53+0000

Answer:

The value of x is -2.828 or 2.828

Explanation:

In order to eliminate of square of x, you have to square root both sides :

${x}^(2) = 8$

$\sqrt{ {x}^(2) } = ± √(8)$

$x = √(8) \\ x = 2 √(2) \: or \: 2.828$

$x = - √(8) \\ x = - 2 √(2) \: or \: - 2.828$

Thaddee Tyl · Answer 2 · 2021-12-22T04:09:51+0000

Answer:

x=2√2 is the answer

Explanation:

x²=8

TAKING SQUARE ROOT ON BOTH SIDES

√x²=√8

x=√2×2×2

x=√2²×√2

x=2√2

i hope this will help you