2x^2+7-4=0

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Solution for 2x^2+7-4=0 equation:


Simplifying
2x2 + 7 + -4 = 0

Reorder the terms:
7 + -4 + 2x2 = 0

Combine like terms: 7 + -4 = 3
3 + 2x2 = 0

Solving
3 + 2x2 = 0

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 = 0 + -3

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

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

Divide each side by '2'.
x2 = -1.5

Simplifying
x2 = -1.5

Reorder the terms:
1.5 + x2 = -1.5 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
1.5 + x2 = 0.0

The solution to this equation could not be determined.

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