=x-x^2+x^2-3

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Solution for =x-x^2+x^2-3 equation:


Simplifying
0 = x + -1x2 + x2 + -3

Reorder the terms:
0 = -3 + x + -1x2 + x2

Combine like terms: -1x2 + x2 = 0
0 = -3 + x + 0
0 = -3 + x

Solving
0 = -3 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
0 + -1x = -3 + x + -1x
Remove the zero:
-1x = -3 + x + -1x

Combine like terms: x + -1x = 0
-1x = -3 + 0
-1x = -3

Divide each side by '-1'.
x = 3

Simplifying
x = 3

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