(x+2)(x+4)=323

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Solution for (x+2)(x+4)=323 equation:


Simplifying
(x + 2)(x + 4) = 323

Reorder the terms:
(2 + x)(x + 4) = 323

Reorder the terms:
(2 + x)(4 + x) = 323

Multiply (2 + x) * (4 + x)
(2(4 + x) + x(4 + x)) = 323
((4 * 2 + x * 2) + x(4 + x)) = 323
((8 + 2x) + x(4 + x)) = 323
(8 + 2x + (4 * x + x * x)) = 323
(8 + 2x + (4x + x2)) = 323

Combine like terms: 2x + 4x = 6x
(8 + 6x + x2) = 323

Solving
8 + 6x + x2 = 323

Solving for variable 'x'.

Reorder the terms:
8 + -323 + 6x + x2 = 323 + -323

Combine like terms: 8 + -323 = -315
-315 + 6x + x2 = 323 + -323

Combine like terms: 323 + -323 = 0
-315 + 6x + x2 = 0

Factor a trinomial.
(-21 + -1x)(15 + -1x) = 0

Subproblem 1

Set the factor '(-21 + -1x)' equal to zero and attempt to solve: Simplifying -21 + -1x = 0 Solving -21 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '21' to each side of the equation. -21 + 21 + -1x = 0 + 21 Combine like terms: -21 + 21 = 0 0 + -1x = 0 + 21 -1x = 0 + 21 Combine like terms: 0 + 21 = 21 -1x = 21 Divide each side by '-1'. x = -21 Simplifying x = -21

Subproblem 2

Set the factor '(15 + -1x)' equal to zero and attempt to solve: Simplifying 15 + -1x = 0 Solving 15 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + -1x = 0 + -15 Combine like terms: 15 + -15 = 0 0 + -1x = 0 + -15 -1x = 0 + -15 Combine like terms: 0 + -15 = -15 -1x = -15 Divide each side by '-1'. x = 15 Simplifying x = 15

Solution

x = {-21, 15}

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