4x^2+5=-7

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Solution for 4x^2+5=-7 equation:


Simplifying
4x2 + 5 = -7

Reorder the terms:
5 + 4x2 = -7

Solving
5 + 4x2 = -7

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 4x2 = -7 + -5

Combine like terms: 5 + -5 = 0
0 + 4x2 = -7 + -5
4x2 = -7 + -5

Combine like terms: -7 + -5 = -12
4x2 = -12

Divide each side by '4'.
x2 = -3

Simplifying
x2 = -3

Reorder the terms:
3 + x2 = -3 + 3

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

The solution to this equation could not be determined.

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