9x^2+6x+1+x^2-x-2=-1

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Solution for 9x^2+6x+1+x^2-x-2=-1 equation:


Simplifying
9x2 + 6x + 1 + x2 + -1x + -2 = -1

Reorder the terms:
1 + -2 + 6x + -1x + 9x2 + x2 = -1

Combine like terms: 1 + -2 = -1
-1 + 6x + -1x + 9x2 + x2 = -1

Combine like terms: 6x + -1x = 5x
-1 + 5x + 9x2 + x2 = -1

Combine like terms: 9x2 + x2 = 10x2
-1 + 5x + 10x2 = -1

Add '1' to each side of the equation.
-1 + 5x + 1 + 10x2 = -1 + 1

Reorder the terms:
-1 + 1 + 5x + 10x2 = -1 + 1

Combine like terms: -1 + 1 = 0
0 + 5x + 10x2 = -1 + 1
5x + 10x2 = -1 + 1

Combine like terms: -1 + 1 = 0
5x + 10x2 = 0

Solving
5x + 10x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5x'.
5x(1 + 2x) = 0

Ignore the factor 5.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(1 + 2x)' equal to zero and attempt to solve: Simplifying 1 + 2x = 0 Solving 1 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2x = 0 + -1 2x = 0 + -1 Combine like terms: 0 + -1 = -1 2x = -1 Divide each side by '2'. x = -0.5 Simplifying x = -0.5

Solution

x = {0, -0.5}

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