10x^2-20=20

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Solution for 10x^2-20=20 equation: 


Simplifying
10x2 + -20 = 20

Reorder the terms:
-20 + 10x2 = 20

Solving
-20 + 10x2 = 20

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 10x2 = 20 + 20

Combine like terms: -20 + 20 = 0
0 + 10x2 = 20 + 20
10x2 = 20 + 20

Combine like terms: 20 + 20 = 40
10x2 = 40

Divide each side by '10'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}

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