(x^2)+20x+100=36

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Solution for (x^2)+20x+100=36 equation:


Simplifying
(x2) + 20x + 100 = 36
x2 + 20x + 100 = 36

Reorder the terms:
100 + 20x + x2 = 36

Solving
100 + 20x + x2 = 36

Solving for variable 'x'.

Reorder the terms:
100 + -36 + 20x + x2 = 36 + -36

Combine like terms: 100 + -36 = 64
64 + 20x + x2 = 36 + -36

Combine like terms: 36 + -36 = 0
64 + 20x + x2 = 0

Factor a trinomial.
(16 + x)(4 + x) = 0

Subproblem 1

Set the factor '(16 + x)' equal to zero and attempt to solve: Simplifying 16 + x = 0 Solving 16 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + x = 0 + -16 Combine like terms: 16 + -16 = 0 0 + x = 0 + -16 x = 0 + -16 Combine like terms: 0 + -16 = -16 x = -16 Simplifying x = -16

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 = {-16, -4}

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