-x^2+10-21=0

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Solution for -x^2+10-21=0 equation:


Simplifying
-1x2 + 10 + -21 = 0

Reorder the terms:
10 + -21 + -1x2 = 0

Combine like terms: 10 + -21 = -11
-11 + -1x2 = 0

Solving
-11 + -1x2 = 0

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + -1x2 = 0 + 11

Combine like terms: -11 + 11 = 0
0 + -1x2 = 0 + 11
-1x2 = 0 + 11

Combine like terms: 0 + 11 = 11
-1x2 = 11

Divide each side by '-1'.
x2 = -11

Simplifying
x2 = -11

Reorder the terms:
11 + x2 = -11 + 11

Combine like terms: -11 + 11 = 0
11 + x2 = 0

The solution to this equation could not be determined.

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