4-x^2=7

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Solution for 4-x^2=7 equation:


Simplifying
4 + -1x2 = 7

Solving
4 + -1x2 = 7

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + -1x2 = 7 + -4

Combine like terms: 4 + -4 = 0
0 + -1x2 = 7 + -4
-1x2 = 7 + -4

Combine like terms: 7 + -4 = 3
-1x2 = 3

Divide each side by '-1'.
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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