16x^2-8=56

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Solution for 16x^2-8=56 equation: 


Simplifying
16x2 + -8 = 56

Reorder the terms:
-8 + 16x2 = 56

Solving
-8 + 16x2 = 56

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '8' to each side of the equation.
-8 + 8 + 16x2 = 56 + 8

Combine like terms: -8 + 8 = 0
0 + 16x2 = 56 + 8
16x2 = 56 + 8

Combine like terms: 56 + 8 = 64
16x2 = 64

Divide each side by '16'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}

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