(7x+4)(3x-5)=

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Solution for (7x+4)(3x-5)= equation: 


Simplifying
(7x + 4)(3x + -5) = 0

Reorder the terms:
(4 + 7x)(3x + -5) = 0

Reorder the terms:
(4 + 7x)(-5 + 3x) = 0

Multiply (4 + 7x) * (-5 + 3x)
(4(-5 + 3x) + 7x * (-5 + 3x)) = 0
((-5 * 4 + 3x * 4) + 7x * (-5 + 3x)) = 0
((-20 + 12x) + 7x * (-5 + 3x)) = 0
(-20 + 12x + (-5 * 7x + 3x * 7x)) = 0
(-20 + 12x + (-35x + 21x2)) = 0

Combine like terms: 12x + -35x = -23x
(-20 + -23x + 21x2) = 0

Solving
-20 + -23x + 21x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-4 + -7x)(5 + -3x) = 0


Subproblem 1
Set the factor '(-4 + -7x)' equal to zero and attempt to solve:

Simplifying
-4 + -7x = 0

Solving
-4 + -7x = 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 + -7x = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -7x = 0 + 4
-7x = 0 + 4

Combine like terms: 0 + 4 = 4
-7x = 4

Divide each side by '-7'.
x = -0.5714285714

Simplifying
x = -0.5714285714

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 = {-0.5714285714, 1.666666667}

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