=1x^2+9x

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


Simplifying
0 = 1x2 + 9x

Reorder the terms:
0 = 9x + 1x2

Solving
0 = 9x + 1x2

Solving for variable 'x'.
Remove the zero:
-9x + -1x2 = 9x + 1x2 + -9x + -1x2

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

Combine like terms: 9x + -9x = 0
-9x + -1x2 = 0 + 1x2 + -1x2
-9x + -1x2 = 1x2 + -1x2

Combine like terms: 1x2 + -1x2 = 0
-9x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1x'.
-1x(9 + x) = 0

Ignore the factor -1.

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 '(9 + x)' equal to zero and attempt to solve: Simplifying 9 + x = 0 Solving 9 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + x = 0 + -9 x = 0 + -9 Combine like terms: 0 + -9 = -9 x = -9 Simplifying x = -9

Solution

x = {0, -9}

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