x^2-3x-43=2x-7

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Solution for x^2-3x-43=2x-7 equation: 


Simplifying
x2 + -3x + -43 = 2x + -7

Reorder the terms:
-43 + -3x + x2 = 2x + -7

Reorder the terms:
-43 + -3x + x2 = -7 + 2x

Solving
-43 + -3x + x2 = -7 + 2x

Solving for variable 'x'.

Reorder the terms:
-43 + 7 + -3x + -2x + x2 = -7 + 2x + 7 + -2x

Combine like terms: -43 + 7 = -36
-36 + -3x + -2x + x2 = -7 + 2x + 7 + -2x

Combine like terms: -3x + -2x = -5x
-36 + -5x + x2 = -7 + 2x + 7 + -2x

Reorder the terms:
-36 + -5x + x2 = -7 + 7 + 2x + -2x

Combine like terms: -7 + 7 = 0
-36 + -5x + x2 = 0 + 2x + -2x
-36 + -5x + x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
-36 + -5x + x2 = 0

Factor a trinomial.
(-4 + -1x)(9 + -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 '(9 + -1x)' equal to zero and attempt to solve:

Simplifying
9 + -1x = 0

Solving
9 + -1x = 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 + -1x = 0 + -9

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

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

Divide each side by '-1'.
x = 9

Simplifying
x = 9
Solution
x = {-4, 9}

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