(4*4)+x*x=13456

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Solution for (4*4)+x*x=13456 equation: 


Simplifying
(4 * 4) + x * x = 13456

Multiply 4 * 4
(16) + x * x = 13456
16 + x * x = 13456

Multiply x * x
16 + x2 = 13456

Solving
16 + x2 = 13456

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + x2 = 13456 + -16

Combine like terms: 16 + -16 = 0
0 + x2 = 13456 + -16
x2 = 13456 + -16

Combine like terms: 13456 + -16 = 13440
x2 = 13440

Simplifying
x2 = 13440

Take the square root of each side:
x = {-115.93101397, 115.93101397}

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