x^2+19x+30=8x+2

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Solution for x^2+19x+30=8x+2 equation:


Simplifying
x2 + 19x + 30 = 8x + 2

Reorder the terms:
30 + 19x + x2 = 8x + 2

Reorder the terms:
30 + 19x + x2 = 2 + 8x

Solving
30 + 19x + x2 = 2 + 8x

Solving for variable 'x'.

Reorder the terms:
30 + -2 + 19x + -8x + x2 = 2 + 8x + -2 + -8x

Combine like terms: 30 + -2 = 28
28 + 19x + -8x + x2 = 2 + 8x + -2 + -8x

Combine like terms: 19x + -8x = 11x
28 + 11x + x2 = 2 + 8x + -2 + -8x

Reorder the terms:
28 + 11x + x2 = 2 + -2 + 8x + -8x

Combine like terms: 2 + -2 = 0
28 + 11x + x2 = 0 + 8x + -8x
28 + 11x + x2 = 8x + -8x

Combine like terms: 8x + -8x = 0
28 + 11x + x2 = 0

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

Subproblem 1

Set the factor '(7 + x)' equal to zero and attempt to solve: Simplifying 7 + x = 0 Solving 7 + x = 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 + x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + x = 0 + -7 x = 0 + -7 Combine like terms: 0 + -7 = -7 x = -7 Simplifying x = -7

Subproblem 2

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 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 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Solution

x = {-7, -4}

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