(3x+5y)(8x-3y)=

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Solution for (3x+5y)(8x-3y)= equation: 


Simplifying
(3x + 5y)(8x + -3y) = 0

Multiply (3x + 5y) * (8x + -3y)
(3x * (8x + -3y) + 5y * (8x + -3y)) = 0
((8x * 3x + -3y * 3x) + 5y * (8x + -3y)) = 0

Reorder the terms:
((-9xy + 24x2) + 5y * (8x + -3y)) = 0
((-9xy + 24x2) + 5y * (8x + -3y)) = 0
(-9xy + 24x2 + (8x * 5y + -3y * 5y)) = 0
(-9xy + 24x2 + (40xy + -15y2)) = 0

Reorder the terms:
(-9xy + 40xy + 24x2 + -15y2) = 0

Combine like terms: -9xy + 40xy = 31xy
(31xy + 24x2 + -15y2) = 0

Solving
31xy + 24x2 + -15y2 = 0

Solving for variable 'x'.

Factor a trinomial.
(8x + -3y)(3x + 5y) = 0


Subproblem 1
Set the factor '(8x + -3y)' equal to zero and attempt to solve:

Simplifying
8x + -3y = 0

Solving
8x + -3y = 0

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

Add '3y' to each side of the equation.
8x + -3y + 3y = 0 + 3y

Combine like terms: -3y + 3y = 0
8x + 0 = 0 + 3y
8x = 0 + 3y
Remove the zero:
8x = 3y

Divide each side by '8'.
x = 0.375y

Simplifying
x = 0.375y

Subproblem 2
Set the factor '(3x + 5y)' equal to zero and attempt to solve:

Simplifying
3x + 5y = 0

Solving
3x + 5y = 0

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

Add '-5y' to each side of the equation.
3x + 5y + -5y = 0 + -5y

Combine like terms: 5y + -5y = 0
3x + 0 = 0 + -5y
3x = 0 + -5y
Remove the zero:
3x = -5y

Divide each side by '3'.
x = -1.666666667y

Simplifying
x = -1.666666667y
Solution
x = {0.375y, -1.666666667y}

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