56=x^2+20

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Solution for 56=x^2+20 equation:


Simplifying
56 = x2 + 20

Reorder the terms:
56 = 20 + x2

Solving
56 = 20 + x2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
56 + -1x2 = 20 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
56 + -1x2 = 20 + 0
56 + -1x2 = 20

Add '-56' to each side of the equation.
56 + -56 + -1x2 = 20 + -56

Combine like terms: 56 + -56 = 0
0 + -1x2 = 20 + -56
-1x2 = 20 + -56

Combine like terms: 20 + -56 = -36
-1x2 = -36

Divide each side by '-1'.
x2 = 36

Simplifying
x2 = 36

Take the square root of each side:
x = {-6, 6}

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