2x^2-10=30

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Solution for 2x^2-10=30 equation: 


Simplifying
2x2 + -10 = 30

Reorder the terms:
-10 + 2x2 = 30

Solving
-10 + 2x2 = 30

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + 2x2 = 30 + 10

Combine like terms: -10 + 10 = 0
0 + 2x2 = 30 + 10
2x2 = 30 + 10

Combine like terms: 30 + 10 = 40
2x2 = 40

Divide each side by '2'.
x2 = 20

Simplifying
x2 = 20

Take the square root of each side:
x = {-4.472135955, 4.472135955}

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