8*8+x*x=100

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Solution for 8*8+x*x=100 equation: 


Simplifying
8 * 8 + x * x = 100

Multiply 8 * 8
64 + x * x = 100

Multiply x * x
64 + x2 = 100

Solving
64 + x2 = 100

Solving for variable 'x'.

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

Add '-64' to each side of the equation.
64 + -64 + x2 = 100 + -64

Combine like terms: 64 + -64 = 0
0 + x2 = 100 + -64
x2 = 100 + -64

Combine like terms: 100 + -64 = 36
x2 = 36

Simplifying
x2 = 36

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

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