(6-x)(5x+40)=0

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Solution for (6-x)(5x+40)=0 equation:


Simplifying
(6 + -1x)(5x + 40) = 0

Reorder the terms:
(6 + -1x)(40 + 5x) = 0

Multiply (6 + -1x) * (40 + 5x)
(6(40 + 5x) + -1x * (40 + 5x)) = 0
((40 * 6 + 5x * 6) + -1x * (40 + 5x)) = 0
((240 + 30x) + -1x * (40 + 5x)) = 0
(240 + 30x + (40 * -1x + 5x * -1x)) = 0
(240 + 30x + (-40x + -5x2)) = 0

Combine like terms: 30x + -40x = -10x
(240 + -10x + -5x2) = 0

Solving
240 + -10x + -5x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5'.
5(48 + -2x + -1x2) = 0

Factor a trinomial.
5((6 + -1x)(8 + x)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Subproblem 2

Set the factor '(8 + x)' equal to zero and attempt to solve: Simplifying 8 + x = 0 Solving 8 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + x = 0 + -8 x = 0 + -8 Combine like terms: 0 + -8 = -8 x = -8 Simplifying x = -8

Solution

x = {6, -8}

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