(4x+4)(8x+10)=0

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Solution for (4x+4)(8x+10)=0 equation:


Simplifying
(4x + 4)(8x + 10) = 0

Reorder the terms:
(4 + 4x)(8x + 10) = 0

Reorder the terms:
(4 + 4x)(10 + 8x) = 0

Multiply (4 + 4x) * (10 + 8x)
(4(10 + 8x) + 4x * (10 + 8x)) = 0
((10 * 4 + 8x * 4) + 4x * (10 + 8x)) = 0
((40 + 32x) + 4x * (10 + 8x)) = 0
(40 + 32x + (10 * 4x + 8x * 4x)) = 0
(40 + 32x + (40x + 32x2)) = 0

Combine like terms: 32x + 40x = 72x
(40 + 72x + 32x2) = 0

Solving
40 + 72x + 32x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '8'.
8(5 + 9x + 4x2) = 0

Factor a trinomial.
8((5 + 4x)(1 + x)) = 0

Ignore the factor 8.

Subproblem 1

Set the factor '(5 + 4x)' equal to zero and attempt to solve: Simplifying 5 + 4x = 0 Solving 5 + 4x = 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 + 4x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 4x = 0 + -5 4x = 0 + -5 Combine like terms: 0 + -5 = -5 4x = -5 Divide each side by '4'. x = -1.25 Simplifying x = -1.25

Subproblem 2

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

Solution

x = {-1.25, -1}

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