3x*x+5x=24-x

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Solution for 3x*x+5x=24-x equation: 


Simplifying
3x * x + 5x = 24 + -1x

Multiply x * x
3x2 + 5x = 24 + -1x

Reorder the terms:
5x + 3x2 = 24 + -1x

Solving
5x + 3x2 = 24 + -1x

Solving for variable 'x'.

Reorder the terms:
-24 + 5x + x + 3x2 = 24 + -1x + -24 + x

Combine like terms: 5x + x = 6x
-24 + 6x + 3x2 = 24 + -1x + -24 + x

Reorder the terms:
-24 + 6x + 3x2 = 24 + -24 + -1x + x

Combine like terms: 24 + -24 = 0
-24 + 6x + 3x2 = 0 + -1x + x
-24 + 6x + 3x2 = -1x + x

Combine like terms: -1x + x = 0
-24 + 6x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-8 + 2x + x2) = 0

Factor a trinomial.
3((-4 + -1x)(2 + -1x)) = 0

Ignore the factor 3.

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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