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√2 is the answer
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
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