(3x+7)(2x-10)=

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Solution for (3x+7)(2x-10)= equation: 


Simplifying
(3x + 7)(2x + -10) = 0

Reorder the terms:
(7 + 3x)(2x + -10) = 0

Reorder the terms:
(7 + 3x)(-10 + 2x) = 0

Multiply (7 + 3x) * (-10 + 2x)
(7(-10 + 2x) + 3x * (-10 + 2x)) = 0
((-10 * 7 + 2x * 7) + 3x * (-10 + 2x)) = 0
((-70 + 14x) + 3x * (-10 + 2x)) = 0
(-70 + 14x + (-10 * 3x + 2x * 3x)) = 0
(-70 + 14x + (-30x + 6x2)) = 0

Combine like terms: 14x + -30x = -16x
(-70 + -16x + 6x2) = 0

Solving
-70 + -16x + 6x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-35 + -8x + 3x2) = 0

Factor a trinomial.
2((-7 + -3x)(5 + -1x)) = 0

Ignore the factor 2.

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

Simplifying
-7 + -3x = 0

Solving
-7 + -3x = 0

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

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

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

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

Divide each side by '-3'.
x = -2.333333333

Simplifying
x = -2.333333333

Subproblem 2
Set the factor '(5 + -1x)' equal to zero and attempt to solve:

Simplifying
5 + -1x = 0

Solving
5 + -1x = 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 + -1x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -1x = 0 + -5
-1x = 0 + -5

Combine like terms: 0 + -5 = -5
-1x = -5

Divide each side by '-1'.
x = 5

Simplifying
x = 5
Solution
x = {-2.333333333, 5}

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