2x^2-15=27

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Solution for 2x^2-15=27 equation: 


Simplifying
2x2 + -15 = 27

Reorder the terms:
-15 + 2x2 = 27

Solving
-15 + 2x2 = 27

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 2x2 = 27 + 15

Combine like terms: -15 + 15 = 0
0 + 2x2 = 27 + 15
2x2 = 27 + 15

Combine like terms: 27 + 15 = 42
2x2 = 42

Divide each side by '2'.
x2 = 21

Simplifying
x2 = 21

Take the square root of each side:
x = {-4.582575695, 4.582575695}

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