10x+9=x^2+6x+9

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Solution for 10x+9=x^2+6x+9 equation:


Simplifying
10x + 9 = x2 + 6x + 9

Reorder the terms:
9 + 10x = x2 + 6x + 9

Reorder the terms:
9 + 10x = 9 + 6x + x2

Add '-9' to each side of the equation.
9 + -9 + 10x = 9 + 6x + -9 + x2

Combine like terms: 9 + -9 = 0
0 + 10x = 9 + 6x + -9 + x2
10x = 9 + 6x + -9 + x2

Reorder the terms:
10x = 9 + -9 + 6x + x2

Combine like terms: 9 + -9 = 0
10x = 0 + 6x + x2
10x = 6x + x2

Solving
10x = 6x + x2

Solving for variable 'x'.

Combine like terms: 10x + -6x = 4x
4x + -1x2 = 6x + x2 + -6x + -1x2

Reorder the terms:
4x + -1x2 = 6x + -6x + x2 + -1x2

Combine like terms: 6x + -6x = 0
4x + -1x2 = 0 + x2 + -1x2
4x + -1x2 = x2 + -1x2

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

Factor out the Greatest Common Factor (GCF), 'x'.
x(4 + -1x) = 0

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 '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {0, 4}

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