25+x*x=13*13

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Solution for 25+x*x=13*13 equation: 


Simplifying
25 + x * x = 13 * 13

Multiply x * x
25 + x2 = 13 * 13

Multiply 13 * 13
25 + x2 = 169

Solving
25 + x2 = 169

Solving for variable 'x'.

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

Add '-25' to each side of the equation.
25 + -25 + x2 = 169 + -25

Combine like terms: 25 + -25 = 0
0 + x2 = 169 + -25
x2 = 169 + -25

Combine like terms: 169 + -25 = 144
x2 = 144

Simplifying
x2 = 144

Take the square root of each side:
x = {-12, 12}

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