x(15x+23)=28

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Solution for x(15x+23)=28 equation: 


Simplifying
x(15x + 23) = 28

Reorder the terms:
x(23 + 15x) = 28
(23 * x + 15x * x) = 28
(23x + 15x2) = 28

Solving
23x + 15x2 = 28

Solving for variable 'x'.

Reorder the terms:
-28 + 23x + 15x2 = 28 + -28

Combine like terms: 28 + -28 = 0
-28 + 23x + 15x2 = 0

Factor a trinomial.
(-7 + -3x)(4 + -5x) = 0


Subproblem 1
Set the factor '(-7 + -3x)' equal to zero and attempt to solve:

Simplifying
-7 + -3x = 0

Solving
-7 + -3x = 0

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

Add '7' to each side of the equation.
-7 + 7 + -3x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -3x = 0 + 7
-3x = 0 + 7

Combine like terms: 0 + 7 = 7
-3x = 7

Divide each side by '-3'.
x = -2.333333333

Simplifying
x = -2.333333333

Subproblem 2
Set the factor '(4 + -5x)' equal to zero and attempt to solve:

Simplifying
4 + -5x = 0

Solving
4 + -5x = 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 + -5x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -5x = 0 + -4
-5x = 0 + -4

Combine like terms: 0 + -4 = -4
-5x = -4

Divide each side by '-5'.
x = 0.8

Simplifying
x = 0.8
Solution
x = {-2.333333333, 0.8}

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