4x^2+28=-81

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Solution for 4x^2+28=-81 equation:


Simplifying
4x2 + 28 = -81

Reorder the terms:
28 + 4x2 = -81

Solving
28 + 4x2 = -81

Solving for variable 'x'.

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

Add '-28' to each side of the equation.
28 + -28 + 4x2 = -81 + -28

Combine like terms: 28 + -28 = 0
0 + 4x2 = -81 + -28
4x2 = -81 + -28

Combine like terms: -81 + -28 = -109
4x2 = -109

Divide each side by '4'.
x2 = -27.25

Simplifying
x2 = -27.25

Reorder the terms:
27.25 + x2 = -27.25 + 27.25

Combine like terms: -27.25 + 27.25 = 0.00
27.25 + x2 = 0.00

The solution to this equation could not be determined.

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