36*36+x*x=84*84

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Solution for 36*36+x*x=84*84 equation: 


Simplifying
36 * 36 + x * x = 84 * 84

Multiply 36 * 36
1296 + x * x = 84 * 84

Multiply x * x
1296 + x2 = 84 * 84

Multiply 84 * 84
1296 + x2 = 7056

Solving
1296 + x2 = 7056

Solving for variable 'x'.

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

Add '-1296' to each side of the equation.
1296 + -1296 + x2 = 7056 + -1296

Combine like terms: 1296 + -1296 = 0
0 + x2 = 7056 + -1296
x2 = 7056 + -1296

Combine like terms: 7056 + -1296 = 5760
x2 = 5760

Simplifying
x2 = 5760

Take the square root of each side:
x = {-75.894663844, 75.894663844}

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