x(x+1)=x^2-4

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Solution for x(x+1)=x^2-4 equation:


Simplifying
x(x + 1) = x2 + -4

Reorder the terms:
x(1 + x) = x2 + -4
(1 * x + x * x) = x2 + -4
(1x + x2) = x2 + -4

Reorder the terms:
1x + x2 = -4 + x2

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

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

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

Solving
1x = -4

Solving for variable 'x'.

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

Divide each side by '1'.
x = -4

Simplifying
x = -4

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