(x+2)(5x+10)=

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Solution for (x+2)(5x+10)= equation:


Simplifying
(x + 2)(5x + 10) = 0

Reorder the terms:
(2 + x)(5x + 10) = 0

Reorder the terms:
(2 + x)(10 + 5x) = 0

Multiply (2 + x) * (10 + 5x)
(2(10 + 5x) + x(10 + 5x)) = 0
((10 * 2 + 5x * 2) + x(10 + 5x)) = 0
((20 + 10x) + x(10 + 5x)) = 0
(20 + 10x + (10 * x + 5x * x)) = 0
(20 + 10x + (10x + 5x2)) = 0

Combine like terms: 10x + 10x = 20x
(20 + 20x + 5x2) = 0

Solving
20 + 20x + 5x2 = 0

Solving for variable 'x'.

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

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

Ignore the factor 5.

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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