3x^2-10=20

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Solution for 3x^2-10=20 equation:


Simplifying
3x2 + -10 = 20

Reorder the terms:
-10 + 3x2 = 20

Solving
-10 + 3x2 = 20

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 + 3x2 = 20 + 10

Combine like terms: -10 + 10 = 0
0 + 3x2 = 20 + 10
3x2 = 20 + 10

Combine like terms: 20 + 10 = 30
3x2 = 30

Divide each side by '3'.
x2 = 10

Simplifying
x2 = 10

Take the square root of each side:
x = {-3.16227766, 3.16227766}

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