(7x+3)(2x-8)=

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Solution for (7x+3)(2x-8)= equation: 


Simplifying
(7x + 3)(2x + -8) = 0

Reorder the terms:
(3 + 7x)(2x + -8) = 0

Reorder the terms:
(3 + 7x)(-8 + 2x) = 0

Multiply (3 + 7x) * (-8 + 2x)
(3(-8 + 2x) + 7x * (-8 + 2x)) = 0
((-8 * 3 + 2x * 3) + 7x * (-8 + 2x)) = 0
((-24 + 6x) + 7x * (-8 + 2x)) = 0
(-24 + 6x + (-8 * 7x + 2x * 7x)) = 0
(-24 + 6x + (-56x + 14x2)) = 0

Combine like terms: 6x + -56x = -50x
(-24 + -50x + 14x2) = 0

Solving
-24 + -50x + 14x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-12 + -25x + 7x2) = 0

Factor a trinomial.
2((-3 + -7x)(4 + -1x)) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(-3 + -7x)' equal to zero and attempt to solve:

Simplifying
-3 + -7x = 0

Solving
-3 + -7x = 0

Move all terms containing x to the left, all other terms to the right.

Add '3' to each side of the equation.
-3 + 3 + -7x = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -7x = 0 + 3
-7x = 0 + 3

Combine like terms: 0 + 3 = 3
-7x = 3

Divide each side by '-7'.
x = -0.4285714286

Simplifying
x = -0.4285714286

Subproblem 2
Set the factor '(4 + -1x)' equal to zero and attempt to solve:

Simplifying
4 + -1x = 0

Solving
4 + -1x = 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 + -1x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1x = 0 + -4
-1x = 0 + -4

Combine like terms: 0 + -4 = -4
-1x = -4

Divide each side by '-1'.
x = 4

Simplifying
x = 4
Solution
x = {-0.4285714286, 4}

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