4x^2+12=-9

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Solution for 4x^2+12=-9 equation:


Simplifying
4x2 + 12 = -9

Reorder the terms:
12 + 4x2 = -9

Solving
12 + 4x2 = -9

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 = -9 + -12

Combine like terms: 12 + -12 = 0
0 + 4x2 = -9 + -12
4x2 = -9 + -12

Combine like terms: -9 + -12 = -21
4x2 = -21

Divide each side by '4'.
x2 = -5.25

Simplifying
x2 = -5.25

Reorder the terms:
5.25 + x2 = -5.25 + 5.25

Combine like terms: -5.25 + 5.25 = 0.00
5.25 + x2 = 0.00

The solution to this equation could not be determined.

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