2x^2+3=-21

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Solution for 2x^2+3=-21 equation:


Simplifying
2x2 + 3 = -21

Reorder the terms:
3 + 2x2 = -21

Solving
3 + 2x2 = -21

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 2x2 = -21 + -3

Combine like terms: 3 + -3 = 0
0 + 2x2 = -21 + -3
2x2 = -21 + -3

Combine like terms: -21 + -3 = -24
2x2 = -24

Divide each side by '2'.
x2 = -12

Simplifying
x2 = -12

Reorder the terms:
12 + x2 = -12 + 12

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

The solution to this equation could not be determined.

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