(x+40)(x+100)=0

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Solution for (x+40)(x+100)=0 equation:


Simplifying
(x + 40)(x + 100) = 0

Reorder the terms:
(40 + x)(x + 100) = 0

Reorder the terms:
(40 + x)(100 + x) = 0

Multiply (40 + x) * (100 + x)
(40(100 + x) + x(100 + x)) = 0
((100 * 40 + x * 40) + x(100 + x)) = 0
((4000 + 40x) + x(100 + x)) = 0
(4000 + 40x + (100 * x + x * x)) = 0
(4000 + 40x + (100x + x2)) = 0

Combine like terms: 40x + 100x = 140x
(4000 + 140x + x2) = 0

Solving
4000 + 140x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(100 + x)(40 + x) = 0

Subproblem 1

Set the factor '(100 + x)' equal to zero and attempt to solve: Simplifying 100 + x = 0 Solving 100 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-100' to each side of the equation. 100 + -100 + x = 0 + -100 Combine like terms: 100 + -100 = 0 0 + x = 0 + -100 x = 0 + -100 Combine like terms: 0 + -100 = -100 x = -100 Simplifying x = -100

Subproblem 2

Set the factor '(40 + x)' equal to zero and attempt to solve: Simplifying 40 + x = 0 Solving 40 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-40' to each side of the equation. 40 + -40 + x = 0 + -40 Combine like terms: 40 + -40 = 0 0 + x = 0 + -40 x = 0 + -40 Combine like terms: 0 + -40 = -40 x = -40 Simplifying x = -40

Solution

x = {-100, -40}

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