392=(x+19)(x+5)

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Solution for 392=(x+19)(x+5) equation:


Simplifying
392 = (x + 19)(x + 5)

Reorder the terms:
392 = (19 + x)(x + 5)

Reorder the terms:
392 = (19 + x)(5 + x)

Multiply (19 + x) * (5 + x)
392 = (19(5 + x) + x(5 + x))
392 = ((5 * 19 + x * 19) + x(5 + x))
392 = ((95 + 19x) + x(5 + x))
392 = (95 + 19x + (5 * x + x * x))
392 = (95 + 19x + (5x + x2))

Combine like terms: 19x + 5x = 24x
392 = (95 + 24x + x2)

Solving
392 = 95 + 24x + x2

Solving for variable 'x'.

Combine like terms: 392 + -95 = 297
297 + -24x + -1x2 = 95 + 24x + x2 + -95 + -24x + -1x2

Reorder the terms:
297 + -24x + -1x2 = 95 + -95 + 24x + -24x + x2 + -1x2

Combine like terms: 95 + -95 = 0
297 + -24x + -1x2 = 0 + 24x + -24x + x2 + -1x2
297 + -24x + -1x2 = 24x + -24x + x2 + -1x2

Combine like terms: 24x + -24x = 0
297 + -24x + -1x2 = 0 + x2 + -1x2
297 + -24x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
297 + -24x + -1x2 = 0

Factor a trinomial.
(9 + -1x)(33 + x) = 0

Subproblem 1

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Subproblem 2

Set the factor '(33 + x)' equal to zero and attempt to solve: Simplifying 33 + x = 0 Solving 33 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-33' to each side of the equation. 33 + -33 + x = 0 + -33 Combine like terms: 33 + -33 = 0 0 + x = 0 + -33 x = 0 + -33 Combine like terms: 0 + -33 = -33 x = -33 Simplifying x = -33

Solution

x = {9, -33}

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