7x^2+4=3x^2-12

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Solution for 7x^2+4=3x^2-12 equation:


Simplifying
7x2 + 4 = 3x2 + -12

Reorder the terms:
4 + 7x2 = 3x2 + -12

Reorder the terms:
4 + 7x2 = -12 + 3x2

Solving
4 + 7x2 = -12 + 3x2

Solving for variable 'x'.

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

Add '-3x2' to each side of the equation.
4 + 7x2 + -3x2 = -12 + 3x2 + -3x2

Combine like terms: 7x2 + -3x2 = 4x2
4 + 4x2 = -12 + 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
4 + 4x2 = -12 + 0
4 + 4x2 = -12

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

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

Combine like terms: -12 + -4 = -16
4x2 = -16

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

Simplifying
x2 = -4

Reorder the terms:
4 + x2 = -4 + 4

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

The solution to this equation could not be determined.

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