(3x+2)(x-1)=x+3

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Solution for (3x+2)(x-1)=x+3 equation:


Simplifying
(3x + 2)(x + -1) = x + 3

Reorder the terms:
(2 + 3x)(x + -1) = x + 3

Reorder the terms:
(2 + 3x)(-1 + x) = x + 3

Multiply (2 + 3x) * (-1 + x)
(2(-1 + x) + 3x * (-1 + x)) = x + 3
((-1 * 2 + x * 2) + 3x * (-1 + x)) = x + 3
((-2 + 2x) + 3x * (-1 + x)) = x + 3
(-2 + 2x + (-1 * 3x + x * 3x)) = x + 3
(-2 + 2x + (-3x + 3x2)) = x + 3

Combine like terms: 2x + -3x = -1x
(-2 + -1x + 3x2) = x + 3

Reorder the terms:
-2 + -1x + 3x2 = 3 + x

Solving
-2 + -1x + 3x2 = 3 + x

Solving for variable 'x'.

Reorder the terms:
-2 + -3 + -1x + -1x + 3x2 = 3 + x + -3 + -1x

Combine like terms: -2 + -3 = -5
-5 + -1x + -1x + 3x2 = 3 + x + -3 + -1x

Combine like terms: -1x + -1x = -2x
-5 + -2x + 3x2 = 3 + x + -3 + -1x

Reorder the terms:
-5 + -2x + 3x2 = 3 + -3 + x + -1x

Combine like terms: 3 + -3 = 0
-5 + -2x + 3x2 = 0 + x + -1x
-5 + -2x + 3x2 = x + -1x

Combine like terms: x + -1x = 0
-5 + -2x + 3x2 = 0

Factor a trinomial.
(-1 + -1x)(5 + -3x) = 0

Subproblem 1

Set the factor '(-1 + -1x)' equal to zero and attempt to solve: Simplifying -1 + -1x = 0 Solving -1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -1x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1x = 0 + 1 -1x = 0 + 1 Combine like terms: 0 + 1 = 1 -1x = 1 Divide each side by '-1'. x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(5 + -3x)' equal to zero and attempt to solve: Simplifying 5 + -3x = 0 Solving 5 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3x = 0 + -5 -3x = 0 + -5 Combine like terms: 0 + -5 = -5 -3x = -5 Divide each side by '-3'. x = 1.666666667 Simplifying x = 1.666666667

Solution

x = {-1, 1.666666667}

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