9x^2-5xy-4y^2=

Simple and best practice solution for 9x^2-5xy-4y^2= 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 9x^2-5xy-4y^2= equation: 


Simplifying
9x2 + -5xy + -4y2 = 0

Reorder the terms:
-5xy + 9x2 + -4y2 = 0

Solving
-5xy + 9x2 + -4y2 = 0

Solving for variable 'x'.

Factor a trinomial.
(x + -1y)(9x + 4y) = 0


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

Simplifying
x + -1y = 0

Solving
x + -1y = 0

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

Add 'y' to each side of the equation.
x + -1y + y = 0 + y

Combine like terms: -1y + y = 0
x + 0 = 0 + y
x = 0 + y
Remove the zero:
x = y

Simplifying
x = y

Subproblem 2
Set the factor '(9x + 4y)' equal to zero and attempt to solve:

Simplifying
9x + 4y = 0

Solving
9x + 4y = 0

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

Add '-4y' to each side of the equation.
9x + 4y + -4y = 0 + -4y

Combine like terms: 4y + -4y = 0
9x + 0 = 0 + -4y
9x = 0 + -4y
Remove the zero:
9x = -4y

Divide each side by '9'.
x = -0.4444444444y

Simplifying
x = -0.4444444444y
Solution
x = {y, -0.4444444444y}

See similar equations:

| 16+5x=-8+9x | | 7=(-1)(q+13) | | 20-4(m+5)=-60 | | 14-9=h | | 9i+3=18-6 | | 8x^3+28x^2+104x= | | 4(1+n)=-4solven | | 16+8x=1+5x | | 3(3-g)=1-g | | a-1/2=1/4 | | 17=x-4 | | 5y^4-12y^3-9y^2= | | -8+3m+5=-5m-43-2m | | 12x^2-4x-8= | | n-16=-2 | | 14x^2-10x+9= | | 6n^2+6n-120= | | -2y+1=-5 | | n+6=50 | | x=3x-9 | | 6n+7=3n+25 | | 25x^2-30xy+9y^2= | | 5m+10=5(8m-5) | | 9x-4y=16 | | -4g=56 | | 2a^2+7a+5= | | 32+n=-4 | | 1x^2+7x-10=0 | | 10+6w=5-w | | 14=-x+4 | | 7x+13x-1=4(5x+5) | | 3x+2+5(x-1)=8x-17 |

Equations solver categories