(5x+2y)(4x+3y)=

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Solution for (5x+2y)(4x+3y)= equation: 


Simplifying
(5x + 2y)(4x + 3y) = 0

Multiply (5x + 2y) * (4x + 3y)
(5x * (4x + 3y) + 2y * (4x + 3y)) = 0
((4x * 5x + 3y * 5x) + 2y * (4x + 3y)) = 0

Reorder the terms:
((15xy + 20x2) + 2y * (4x + 3y)) = 0
((15xy + 20x2) + 2y * (4x + 3y)) = 0
(15xy + 20x2 + (4x * 2y + 3y * 2y)) = 0
(15xy + 20x2 + (8xy + 6y2)) = 0

Reorder the terms:
(15xy + 8xy + 20x2 + 6y2) = 0

Combine like terms: 15xy + 8xy = 23xy
(23xy + 20x2 + 6y2) = 0

Solving
23xy + 20x2 + 6y2 = 0

Solving for variable 'x'.

Factor a trinomial.
(5x + 2y)(4x + 3y) = 0


Subproblem 1
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

Subproblem 2
Set the factor '(4x + 3y)' equal to zero and attempt to solve:

Simplifying
4x + 3y = 0

Solving
4x + 3y = 0

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

Add '-3y' to each side of the equation.
4x + 3y + -3y = 0 + -3y

Combine like terms: 3y + -3y = 0
4x + 0 = 0 + -3y
4x = 0 + -3y
Remove the zero:
4x = -3y

Divide each side by '4'.
x = -0.75y

Simplifying
x = -0.75y
Solution
x = {-0.4y, -0.75y}

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