(3x-5)(x+55)=

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Solution for (3x-5)(x+55)= equation:


Simplifying
(3x + -5)(x + 55) = 0

Reorder the terms:
(-5 + 3x)(x + 55) = 0

Reorder the terms:
(-5 + 3x)(55 + x) = 0

Multiply (-5 + 3x) * (55 + x)
(-5(55 + x) + 3x * (55 + x)) = 0
((55 * -5 + x * -5) + 3x * (55 + x)) = 0
((-275 + -5x) + 3x * (55 + x)) = 0
(-275 + -5x + (55 * 3x + x * 3x)) = 0
(-275 + -5x + (165x + 3x2)) = 0

Combine like terms: -5x + 165x = 160x
(-275 + 160x + 3x2) = 0

Solving
-275 + 160x + 3x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-55 + -1x)(5 + -3x) = 0

Subproblem 1

Set the factor '(-55 + -1x)' equal to zero and attempt to solve: Simplifying -55 + -1x = 0 Solving -55 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '55' to each side of the equation. -55 + 55 + -1x = 0 + 55 Combine like terms: -55 + 55 = 0 0 + -1x = 0 + 55 -1x = 0 + 55 Combine like terms: 0 + 55 = 55 -1x = 55 Divide each side by '-1'. x = -55 Simplifying x = -55

Subproblem 2

Set the factor '(5 + -3x)' equal to zero and attempt to solve: Simplifying 5 + -3x = 0 Solving 5 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3x = 0 + -5 -3x = 0 + -5 Combine like terms: 0 + -5 = -5 -3x = -5 Divide each side by '-3'. x = 1.666666667 Simplifying x = 1.666666667

Solution

x = {-55, 1.666666667}

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