=(8x-5y)(8x+9y)

Simple and best practice solution for =(8x-5y)(8x+9y) 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 =(8x-5y)(8x+9y) equation: 


Simplifying
0 = (8x + -5y)(8x + 9y)

Multiply (8x + -5y) * (8x + 9y)
0 = (8x * (8x + 9y) + -5y * (8x + 9y))
0 = ((8x * 8x + 9y * 8x) + -5y * (8x + 9y))

Reorder the terms:
0 = ((72xy + 64x2) + -5y * (8x + 9y))
0 = ((72xy + 64x2) + -5y * (8x + 9y))
0 = (72xy + 64x2 + (8x * -5y + 9y * -5y))
0 = (72xy + 64x2 + (-40xy + -45y2))

Reorder the terms:
0 = (72xy + -40xy + 64x2 + -45y2)

Combine like terms: 72xy + -40xy = 32xy
0 = (32xy + 64x2 + -45y2)

Solving
0 = 32xy + 64x2 + -45y2

Solving for variable 'x'.
Remove the zero:
-32xy + -64x2 + 45y2 = 32xy + 64x2 + -45y2 + -32xy + -64x2 + 45y2

Reorder the terms:
-32xy + -64x2 + 45y2 = 32xy + -32xy + 64x2 + -64x2 + -45y2 + 45y2

Combine like terms: 32xy + -32xy = 0
-32xy + -64x2 + 45y2 = 0 + 64x2 + -64x2 + -45y2 + 45y2
-32xy + -64x2 + 45y2 = 64x2 + -64x2 + -45y2 + 45y2

Combine like terms: 64x2 + -64x2 = 0
-32xy + -64x2 + 45y2 = 0 + -45y2 + 45y2
-32xy + -64x2 + 45y2 = -45y2 + 45y2

Combine like terms: -45y2 + 45y2 = 0
-32xy + -64x2 + 45y2 = 0

Factor a trinomial.
(-8x + -9y)(8x + -5y) = 0


Subproblem 1
Set the factor '(-8x + -9y)' equal to zero and attempt to solve:

Simplifying
-8x + -9y = 0

Solving
-8x + -9y = 0

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

Add '9y' to each side of the equation.
-8x + -9y + 9y = 0 + 9y

Combine like terms: -9y + 9y = 0
-8x + 0 = 0 + 9y
-8x = 0 + 9y
Remove the zero:
-8x = 9y

Divide each side by '-8'.
x = -1.125y

Simplifying
x = -1.125y

Subproblem 2
Set the factor '(8x + -5y)' equal to zero and attempt to solve:

Simplifying
8x + -5y = 0

Solving
8x + -5y = 0

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

Add '5y' to each side of the equation.
8x + -5y + 5y = 0 + 5y

Combine like terms: -5y + 5y = 0
8x + 0 = 0 + 5y
8x = 0 + 5y
Remove the zero:
8x = 5y

Divide each side by '8'.
x = 0.625y

Simplifying
x = 0.625y
Solution
x = {-1.125y, 0.625y}

See similar equations:

| x=6*6 | | -2(2a+3)= | | 239-5x=40x+9 | | 2x-4=9x-91 | | 3x+78=9x+12x | | 7(2n+7)= | | y+17=5(x+3) | | x^2+2y^2+3xy= | | 5(8-a)= | | 30+4+(30)(.50)=49 | | 3/18 | | x/8-5=-5 | | 5(1+x)=10 | | n^2+4n-20=0 | | 3x+5(1+x)+15=7x | | -3=5p-4 | | X^2=2(5X-12) | | -9=4e-1 | | (18*267y)/12 | | 2x+7=7x-4 | | -2-3x=1 | | 8x+y=4fory | | 8x+y=4 | | 500/1+6e^-0.3t=100 | | 25x^2+3x-4=5 | | p+5-2p=12 | | x^5-81x= | | 2e-12=7e+i | | -5r/7+1=21 | | 2b-10/9b | | 2x+3.4=6.4 | | 4(n+3)=(3n+1) |

Equations solver categories