x^2+9x-5=7x+3

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Solution for x^2+9x-5=7x+3 equation: 


Simplifying
x2 + 9x + -5 = 7x + 3

Reorder the terms:
-5 + 9x + x2 = 7x + 3

Reorder the terms:
-5 + 9x + x2 = 3 + 7x

Solving
-5 + 9x + x2 = 3 + 7x

Solving for variable 'x'.

Reorder the terms:
-5 + -3 + 9x + -7x + x2 = 3 + 7x + -3 + -7x

Combine like terms: -5 + -3 = -8
-8 + 9x + -7x + x2 = 3 + 7x + -3 + -7x

Combine like terms: 9x + -7x = 2x
-8 + 2x + x2 = 3 + 7x + -3 + -7x

Reorder the terms:
-8 + 2x + x2 = 3 + -3 + 7x + -7x

Combine like terms: 3 + -3 = 0
-8 + 2x + x2 = 0 + 7x + -7x
-8 + 2x + x2 = 7x + -7x

Combine like terms: 7x + -7x = 0
-8 + 2x + x2 = 0

Factor a trinomial.
(-4 + -1x)(2 + -1x) = 0


Subproblem 1
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

Subproblem 2
Set the factor '(2 + -1x)' equal to zero and attempt to solve:

Simplifying
2 + -1x = 0

Solving
2 + -1x = 0

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

Add '-2' to each side of the equation.
2 + -2 + -1x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -1x = 0 + -2
-1x = 0 + -2

Combine like terms: 0 + -2 = -2
-1x = -2

Divide each side by '-1'.
x = 2

Simplifying
x = 2
Solution
x = {-4, 2}

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