x^2+400=625

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Solution for x^2+400=625 equation: 


Simplifying
x2 + 400 = 625

Reorder the terms:
400 + x2 = 625

Solving
400 + x2 = 625

Solving for variable 'x'.

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

Add '-400' to each side of the equation.
400 + -400 + x2 = 625 + -400

Combine like terms: 400 + -400 = 0
0 + x2 = 625 + -400
x2 = 625 + -400

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

Simplifying
x2 = 225

Take the square root of each side:
x = {-15, 15}

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