2x^2+39=57

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Solution for 2x^2+39=57 equation:


Simplifying
2x2 + 39 = 57

Reorder the terms:
39 + 2x2 = 57

Solving
39 + 2x2 = 57

Solving for variable 'x'.

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

Add '-39' to each side of the equation.
39 + -39 + 2x2 = 57 + -39

Combine like terms: 39 + -39 = 0
0 + 2x2 = 57 + -39
2x2 = 57 + -39

Combine like terms: 57 + -39 = 18
2x2 = 18

Divide each side by '2'.
x2 = 9

Simplifying
x2 = 9

Take the square root of each side:
x = {-3, 3}

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