x(5x+1)=2x^2-7x+16

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Solution for x(5x+1)=2x^2-7x+16 equation: 


Simplifying
x(5x + 1) = 2x2 + -7x + 16

Reorder the terms:
x(1 + 5x) = 2x2 + -7x + 16
(1 * x + 5x * x) = 2x2 + -7x + 16
(1x + 5x2) = 2x2 + -7x + 16

Reorder the terms:
1x + 5x2 = 16 + -7x + 2x2

Solving
1x + 5x2 = 16 + -7x + 2x2

Solving for variable 'x'.

Reorder the terms:
-16 + 1x + 7x + 5x2 + -2x2 = 16 + -7x + 2x2 + -16 + 7x + -2x2

Combine like terms: 1x + 7x = 8x
-16 + 8x + 5x2 + -2x2 = 16 + -7x + 2x2 + -16 + 7x + -2x2

Combine like terms: 5x2 + -2x2 = 3x2
-16 + 8x + 3x2 = 16 + -7x + 2x2 + -16 + 7x + -2x2

Reorder the terms:
-16 + 8x + 3x2 = 16 + -16 + -7x + 7x + 2x2 + -2x2

Combine like terms: 16 + -16 = 0
-16 + 8x + 3x2 = 0 + -7x + 7x + 2x2 + -2x2
-16 + 8x + 3x2 = -7x + 7x + 2x2 + -2x2

Combine like terms: -7x + 7x = 0
-16 + 8x + 3x2 = 0 + 2x2 + -2x2
-16 + 8x + 3x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-16 + 8x + 3x2 = 0

Factor a trinomial.
(-4 + -1x)(4 + -3x) = 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 '(4 + -3x)' equal to zero and attempt to solve:

Simplifying
4 + -3x = 0

Solving
4 + -3x = 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 + -3x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -3x = 0 + -4
-3x = 0 + -4

Combine like terms: 0 + -4 = -4
-3x = -4

Divide each side by '-3'.
x = 1.333333333

Simplifying
x = 1.333333333
Solution
x = {-4, 1.333333333}

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