5x^2+22x+8=(5x+2)

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Solution for 5x^2+22x+8=(5x+2) equation: 


Simplifying
5x2 + 22x + 8 = (5x + 2)

Reorder the terms:
8 + 22x + 5x2 = (5x + 2)

Reorder the terms:
8 + 22x + 5x2 = (2 + 5x)

Remove parenthesis around (2 + 5x)
8 + 22x + 5x2 = 2 + 5x

Solving
8 + 22x + 5x2 = 2 + 5x

Solving for variable 'x'.

Reorder the terms:
8 + -2 + 22x + -5x + 5x2 = 2 + 5x + -2 + -5x

Combine like terms: 8 + -2 = 6
6 + 22x + -5x + 5x2 = 2 + 5x + -2 + -5x

Combine like terms: 22x + -5x = 17x
6 + 17x + 5x2 = 2 + 5x + -2 + -5x

Reorder the terms:
6 + 17x + 5x2 = 2 + -2 + 5x + -5x

Combine like terms: 2 + -2 = 0
6 + 17x + 5x2 = 0 + 5x + -5x
6 + 17x + 5x2 = 5x + -5x

Combine like terms: 5x + -5x = 0
6 + 17x + 5x2 = 0

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


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

Simplifying
3 + x = 0

Solving
3 + x = 0

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

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

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

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

Simplifying
x = -3

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

Simplifying
2 + 5x = 0

Solving
2 + 5x = 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 + 5x = 0 + -2

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

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

Divide each side by '5'.
x = -0.4

Simplifying
x = -0.4
Solution
x = {-3, -0.4}

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