(x+5)-(x+3)(x+5)=

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Solution for (x+5)-(x+3)(x+5)= equation:


Simplifying
(x + 5) + -1(x + 3)(x + 5) = 0

Reorder the terms:
(5 + x) + -1(x + 3)(x + 5) = 0

Remove parenthesis around (5 + x)
5 + x + -1(x + 3)(x + 5) = 0

Reorder the terms:
5 + x + -1(3 + x)(x + 5) = 0

Reorder the terms:
5 + x + -1(3 + x)(5 + x) = 0

Multiply (3 + x) * (5 + x)
5 + x + -1(3(5 + x) + x(5 + x)) = 0
5 + x + -1((5 * 3 + x * 3) + x(5 + x)) = 0
5 + x + -1((15 + 3x) + x(5 + x)) = 0
5 + x + -1(15 + 3x + (5 * x + x * x)) = 0
5 + x + -1(15 + 3x + (5x + x2)) = 0

Combine like terms: 3x + 5x = 8x
5 + x + -1(15 + 8x + x2) = 0
5 + x + (15 * -1 + 8x * -1 + x2 * -1) = 0
5 + x + (-15 + -8x + -1x2) = 0

Reorder the terms:
5 + -15 + x + -8x + -1x2 = 0

Combine like terms: 5 + -15 = -10
-10 + x + -8x + -1x2 = 0

Combine like terms: x + -8x = -7x
-10 + -7x + -1x2 = 0

Solving
-10 + -7x + -1x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-1'.
-1(10 + 7x + x2) = 0

Factor a trinomial.
-1((5 + x)(2 + x)) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 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 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Subproblem 2

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

Solution

x = {-5, -2}

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