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

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


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

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

Reorder the terms:
((-35xy + 15x2) + -2y * (3x + -7y)) = 0
((-35xy + 15x2) + -2y * (3x + -7y)) = 0
(-35xy + 15x2 + (3x * -2y + -7y * -2y)) = 0
(-35xy + 15x2 + (-6xy + 14y2)) = 0

Reorder the terms:
(-35xy + -6xy + 15x2 + 14y2) = 0

Combine like terms: -35xy + -6xy = -41xy
(-41xy + 15x2 + 14y2) = 0

Solving
-41xy + 15x2 + 14y2 = 0

Solving for variable 'x'.

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


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

Simplifying
3x + -7y = 0

Solving
3x + -7y = 0

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

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

Combine like terms: -7y + 7y = 0
3x + 0 = 0 + 7y
3x = 0 + 7y
Remove the zero:
3x = 7y

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

Simplifying
x = 2.333333333y

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

Simplifying
5x + -2y = 0

Solving
5x + -2y = 0

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

Add '2y' to each side of the equation.
5x + -2y + 2y = 0 + 2y

Combine like terms: -2y + 2y = 0
5x + 0 = 0 + 2y
5x = 0 + 2y
Remove the zero:
5x = 2y

Divide each side by '5'.
x = 0.4y

Simplifying
x = 0.4y
Solution
x = {2.333333333y, 0.4y}

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