x^2+10x+12=4x+3

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Solution for x^2+10x+12=4x+3 equation:


Simplifying
x2 + 10x + 12 = 4x + 3

Reorder the terms:
12 + 10x + x2 = 4x + 3

Reorder the terms:
12 + 10x + x2 = 3 + 4x

Solving
12 + 10x + x2 = 3 + 4x

Solving for variable 'x'.

Reorder the terms:
12 + -3 + 10x + -4x + x2 = 3 + 4x + -3 + -4x

Combine like terms: 12 + -3 = 9
9 + 10x + -4x + x2 = 3 + 4x + -3 + -4x

Combine like terms: 10x + -4x = 6x
9 + 6x + x2 = 3 + 4x + -3 + -4x

Reorder the terms:
9 + 6x + x2 = 3 + -3 + 4x + -4x

Combine like terms: 3 + -3 = 0
9 + 6x + x2 = 0 + 4x + -4x
9 + 6x + x2 = 4x + -4x

Combine like terms: 4x + -4x = 0
9 + 6x + x2 = 0

Factor a trinomial.
(3 + x)(3 + x) = 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 '(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

Solution

x = {-3, -3}

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