4(5x+20)+4(x+4)=-2(x+4)(5x+20)

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Solution for 4(5x+20)+4(x+4)=-2(x+4)(5x+20) equation:


Simplifying
4(5x + 20) + 4(x + 4) = -2(x + 4)(5x + 20)

Reorder the terms:
4(20 + 5x) + 4(x + 4) = -2(x + 4)(5x + 20)
(20 * 4 + 5x * 4) + 4(x + 4) = -2(x + 4)(5x + 20)
(80 + 20x) + 4(x + 4) = -2(x + 4)(5x + 20)

Reorder the terms:
80 + 20x + 4(4 + x) = -2(x + 4)(5x + 20)
80 + 20x + (4 * 4 + x * 4) = -2(x + 4)(5x + 20)
80 + 20x + (16 + 4x) = -2(x + 4)(5x + 20)

Reorder the terms:
80 + 16 + 20x + 4x = -2(x + 4)(5x + 20)

Combine like terms: 80 + 16 = 96
96 + 20x + 4x = -2(x + 4)(5x + 20)

Combine like terms: 20x + 4x = 24x
96 + 24x = -2(x + 4)(5x + 20)

Reorder the terms:
96 + 24x = -2(4 + x)(5x + 20)

Reorder the terms:
96 + 24x = -2(4 + x)(20 + 5x)

Multiply (4 + x) * (20 + 5x)
96 + 24x = -2(4(20 + 5x) + x(20 + 5x))
96 + 24x = -2((20 * 4 + 5x * 4) + x(20 + 5x))
96 + 24x = -2((80 + 20x) + x(20 + 5x))
96 + 24x = -2(80 + 20x + (20 * x + 5x * x))
96 + 24x = -2(80 + 20x + (20x + 5x2))

Combine like terms: 20x + 20x = 40x
96 + 24x = -2(80 + 40x + 5x2)
96 + 24x = (80 * -2 + 40x * -2 + 5x2 * -2)
96 + 24x = (-160 + -80x + -10x2)

Solving
96 + 24x = -160 + -80x + -10x2

Solving for variable 'x'.

Reorder the terms:
96 + 160 + 24x + 80x + 10x2 = -160 + -80x + -10x2 + 160 + 80x + 10x2

Combine like terms: 96 + 160 = 256
256 + 24x + 80x + 10x2 = -160 + -80x + -10x2 + 160 + 80x + 10x2

Combine like terms: 24x + 80x = 104x
256 + 104x + 10x2 = -160 + -80x + -10x2 + 160 + 80x + 10x2

Reorder the terms:
256 + 104x + 10x2 = -160 + 160 + -80x + 80x + -10x2 + 10x2

Combine like terms: -160 + 160 = 0
256 + 104x + 10x2 = 0 + -80x + 80x + -10x2 + 10x2
256 + 104x + 10x2 = -80x + 80x + -10x2 + 10x2

Combine like terms: -80x + 80x = 0
256 + 104x + 10x2 = 0 + -10x2 + 10x2
256 + 104x + 10x2 = -10x2 + 10x2

Combine like terms: -10x2 + 10x2 = 0
256 + 104x + 10x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(128 + 52x + 5x2) = 0

Factor a trinomial.
2((32 + 5x)(4 + x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(32 + 5x)' equal to zero and attempt to solve: Simplifying 32 + 5x = 0 Solving 32 + 5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-32' to each side of the equation. 32 + -32 + 5x = 0 + -32 Combine like terms: 32 + -32 = 0 0 + 5x = 0 + -32 5x = 0 + -32 Combine like terms: 0 + -32 = -32 5x = -32 Divide each side by '5'. x = -6.4 Simplifying x = -6.4

Subproblem 2

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Solution

x = {-6.4, -4}

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