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

Simple and best practice solution for (5x-4y)(5x+7y)= equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

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


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

Multiply (5x + -4y) * (5x + 7y)
(5x * (5x + 7y) + -4y * (5x + 7y)) = 0
((5x * 5x + 7y * 5x) + -4y * (5x + 7y)) = 0

Reorder the terms:
((35xy + 25x2) + -4y * (5x + 7y)) = 0
((35xy + 25x2) + -4y * (5x + 7y)) = 0
(35xy + 25x2 + (5x * -4y + 7y * -4y)) = 0
(35xy + 25x2 + (-20xy + -28y2)) = 0

Reorder the terms:
(35xy + -20xy + 25x2 + -28y2) = 0

Combine like terms: 35xy + -20xy = 15xy
(15xy + 25x2 + -28y2) = 0

Solving
15xy + 25x2 + -28y2 = 0

Solving for variable 'x'.

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


Subproblem 1
Set the factor '(5x + -4y)' equal to zero and attempt to solve:

Simplifying
5x + -4y = 0

Solving
5x + -4y = 0

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

Add '4y' to each side of the equation.
5x + -4y + 4y = 0 + 4y

Combine like terms: -4y + 4y = 0
5x + 0 = 0 + 4y
5x = 0 + 4y
Remove the zero:
5x = 4y

Divide each side by '5'.
x = 0.8y

Simplifying
x = 0.8y

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

Simplifying
5x + 7y = 0

Solving
5x + 7y = 0

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

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

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

Divide each side by '5'.
x = -1.4y

Simplifying
x = -1.4y
Solution
x = {0.8y, -1.4y}

See similar equations:

| (p+25)+(2p-28)+p=781 | | -4-7z=31 | | b^2=-48 | | M-(-3)=7 | | 4y+8=6y+3 | | 2x=28-x | | 115(t)=-15t^2+120t+10 | | 25=11-2a | | 0.21=0.38*y | | 0.21=0.38y | | (7x)-(-2x)= | | 0.2x^2+3x-20=0 | | x(2)=6 | | d^2+d-8=0 | | -2(56x+4)=-3 | | 62w=-2356 | | 3x+6=2(x-8) | | 180=.5x^2+2x+2 | | 9+12x=64x | | 3x+6=2(x-18) | | 10p+6-p=12p-3(p-2) | | 4x-11=3x-14 | | -3(u-v)= | | 3y+2=3y-2 | | 2r+7s-8(6r-2s)= | | 20x^2+11x-4=0 | | 4+5=37 | | 2l+6=bl | | x+x+2=x(x+2)+29 | | 2x^2(x+4)(x+4)=(3x+2)(x-2) | | 3x+6=7x+8 | | 334=2b+14 |

Equations solver categories