x(x+2)-(x+1)=5(x+2)+1

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


Simplifying
x(x + 2) + -1(x + 1) = 5(x + 2) + 1

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

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

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

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

Reorder the terms:
-1 + 1x + x2 = 5(2 + x) + 1
-1 + 1x + x2 = (2 * 5 + x * 5) + 1
-1 + 1x + x2 = (10 + 5x) + 1

Reorder the terms:
-1 + 1x + x2 = 10 + 1 + 5x

Combine like terms: 10 + 1 = 11
-1 + 1x + x2 = 11 + 5x

Solving
-1 + 1x + x2 = 11 + 5x

Solving for variable 'x'.

Reorder the terms:
-1 + -11 + 1x + -5x + x2 = 11 + 5x + -11 + -5x

Combine like terms: -1 + -11 = -12
-12 + 1x + -5x + x2 = 11 + 5x + -11 + -5x

Combine like terms: 1x + -5x = -4x
-12 + -4x + x2 = 11 + 5x + -11 + -5x

Reorder the terms:
-12 + -4x + x2 = 11 + -11 + 5x + -5x

Combine like terms: 11 + -11 = 0
-12 + -4x + x2 = 0 + 5x + -5x
-12 + -4x + x2 = 5x + -5x

Combine like terms: 5x + -5x = 0
-12 + -4x + x2 = 0

Factor a trinomial.
(-2 + -1x)(6 + -1x) = 0

Subproblem 1

Set the factor '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 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 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Solution

x = {-2, 6}

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