x+7-(x-3)(x+5)=3x+26

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Solution for x+7-(x-3)(x+5)=3x+26 equation:


Simplifying
x + 7 + -1(x + -3)(x + 5) = 3x + 26

Reorder the terms:
x + 7 + -1(-3 + x)(x + 5) = 3x + 26

Reorder the terms:
x + 7 + -1(-3 + x)(5 + x) = 3x + 26

Multiply (-3 + x) * (5 + x)
x + 7 + -1(-3(5 + x) + x(5 + x)) = 3x + 26
x + 7 + -1((5 * -3 + x * -3) + x(5 + x)) = 3x + 26
x + 7 + -1((-15 + -3x) + x(5 + x)) = 3x + 26
x + 7 + -1(-15 + -3x + (5 * x + x * x)) = 3x + 26
x + 7 + -1(-15 + -3x + (5x + x2)) = 3x + 26

Combine like terms: -3x + 5x = 2x
x + 7 + -1(-15 + 2x + x2) = 3x + 26
x + 7 + (-15 * -1 + 2x * -1 + x2 * -1) = 3x + 26
x + 7 + (15 + -2x + -1x2) = 3x + 26

Reorder the terms:
7 + 15 + x + -2x + -1x2 = 3x + 26

Combine like terms: 7 + 15 = 22
22 + x + -2x + -1x2 = 3x + 26

Combine like terms: x + -2x = -1x
22 + -1x + -1x2 = 3x + 26

Reorder the terms:
22 + -1x + -1x2 = 26 + 3x

Solving
22 + -1x + -1x2 = 26 + 3x

Solving for variable 'x'.

Reorder the terms:
22 + -26 + -1x + -3x + -1x2 = 26 + 3x + -26 + -3x

Combine like terms: 22 + -26 = -4
-4 + -1x + -3x + -1x2 = 26 + 3x + -26 + -3x

Combine like terms: -1x + -3x = -4x
-4 + -4x + -1x2 = 26 + 3x + -26 + -3x

Reorder the terms:
-4 + -4x + -1x2 = 26 + -26 + 3x + -3x

Combine like terms: 26 + -26 = 0
-4 + -4x + -1x2 = 0 + 3x + -3x
-4 + -4x + -1x2 = 3x + -3x

Combine like terms: 3x + -3x = 0
-4 + -4x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(4 + 4x + x2) = 0

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

Ignore the factor -1.

Subproblem 1

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

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 = {-2, -2}

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