(7x+5y)(2x-3y)=

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Solution for (7x+5y)(2x-3y)= equation: 


Simplifying
(7x + 5y)(2x + -3y) = 0

Multiply (7x + 5y) * (2x + -3y)
(7x * (2x + -3y) + 5y * (2x + -3y)) = 0
((2x * 7x + -3y * 7x) + 5y * (2x + -3y)) = 0

Reorder the terms:
((-21xy + 14x2) + 5y * (2x + -3y)) = 0
((-21xy + 14x2) + 5y * (2x + -3y)) = 0
(-21xy + 14x2 + (2x * 5y + -3y * 5y)) = 0
(-21xy + 14x2 + (10xy + -15y2)) = 0

Reorder the terms:
(-21xy + 10xy + 14x2 + -15y2) = 0

Combine like terms: -21xy + 10xy = -11xy
(-11xy + 14x2 + -15y2) = 0

Solving
-11xy + 14x2 + -15y2 = 0

Solving for variable 'x'.

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


Subproblem 1
Set the factor '(2x + -3y)' equal to zero and attempt to solve:

Simplifying
2x + -3y = 0

Solving
2x + -3y = 0

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

Add '3y' to each side of the equation.
2x + -3y + 3y = 0 + 3y

Combine like terms: -3y + 3y = 0
2x + 0 = 0 + 3y
2x = 0 + 3y
Remove the zero:
2x = 3y

Divide each side by '2'.
x = 1.5y

Simplifying
x = 1.5y

Subproblem 2
Set the factor '(7x + 5y)' equal to zero and attempt to solve:

Simplifying
7x + 5y = 0

Solving
7x + 5y = 0

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

Add '-5y' to each side of the equation.
7x + 5y + -5y = 0 + -5y

Combine like terms: 5y + -5y = 0
7x + 0 = 0 + -5y
7x = 0 + -5y
Remove the zero:
7x = -5y

Divide each side by '7'.
x = -0.7142857143y

Simplifying
x = -0.7142857143y
Solution
x = {1.5y, -0.7142857143y}

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