2x^2+9x=4x+25

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Solution for 2x^2+9x=4x+25 equation: 


Simplifying
2x2 + 9x = 4x + 25

Reorder the terms:
9x + 2x2 = 4x + 25

Reorder the terms:
9x + 2x2 = 25 + 4x

Solving
9x + 2x2 = 25 + 4x

Solving for variable 'x'.

Reorder the terms:
-25 + 9x + -4x + 2x2 = 25 + 4x + -25 + -4x

Combine like terms: 9x + -4x = 5x
-25 + 5x + 2x2 = 25 + 4x + -25 + -4x

Reorder the terms:
-25 + 5x + 2x2 = 25 + -25 + 4x + -4x

Combine like terms: 25 + -25 = 0
-25 + 5x + 2x2 = 0 + 4x + -4x
-25 + 5x + 2x2 = 4x + -4x

Combine like terms: 4x + -4x = 0
-25 + 5x + 2x2 = 0

Factor a trinomial.
(-5 + -1x)(5 + -2x) = 0


Subproblem 1
Set the factor '(-5 + -1x)' equal to zero and attempt to solve:

Simplifying
-5 + -1x = 0

Solving
-5 + -1x = 0

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

Add '5' to each side of the equation.
-5 + 5 + -1x = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -1x = 0 + 5
-1x = 0 + 5

Combine like terms: 0 + 5 = 5
-1x = 5

Divide each side by '-1'.
x = -5

Simplifying
x = -5

Subproblem 2
Set the factor '(5 + -2x)' equal to zero and attempt to solve:

Simplifying
5 + -2x = 0

Solving
5 + -2x = 0

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

Add '-5' to each side of the equation.
5 + -5 + -2x = 0 + -5

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

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

Divide each side by '-2'.
x = 2.5

Simplifying
x = 2.5
Solution
x = {-5, 2.5}

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