56-8x^2=0

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Solution for 56-8x^2=0 equation: 


Simplifying
56 + -8x2 = 0

Solving
56 + -8x2 = 0

Solving for variable 'x'.

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

Add '-56' to each side of the equation.
56 + -56 + -8x2 = 0 + -56

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

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

Divide each side by '-8'.
x2 = 7

Simplifying
x2 = 7

Take the square root of each side:
x = {-2.645751311, 2.645751311}

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