4x^2+12=20

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Solution for 4x^2+12=20 equation:


Simplifying
4x2 + 12 = 20

Reorder the terms:
12 + 4x2 = 20

Solving
12 + 4x2 = 20

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 4x2 = 20 + -12

Combine like terms: 12 + -12 = 0
0 + 4x2 = 20 + -12
4x2 = 20 + -12

Combine like terms: 20 + -12 = 8
4x2 = 8

Divide each side by '4'.
x2 = 2

Simplifying
x2 = 2

Take the square root of each side:
x = {-1.414213562, 1.414213562}

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