225+x*x=625

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Solution for 225+x*x=625 equation: 


Simplifying
225 + x * x = 625

Multiply x * x
225 + x2 = 625

Solving
225 + x2 = 625

Solving for variable 'x'.

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

Add '-225' to each side of the equation.
225 + -225 + x2 = 625 + -225

Combine like terms: 225 + -225 = 0
0 + x2 = 625 + -225
x2 = 625 + -225

Combine like terms: 625 + -225 = 400
x2 = 400

Simplifying
x2 = 400

Take the square root of each side:
x = {-20, 20}

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