4x^2+xy-18y^2=0

Simple and best practice solution for 4x^2+xy-18y^2=0 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 4x^2+xy-18y^2=0 equation: 


Simplifying
4x2 + xy + -18y2 = 0

Reorder the terms:
xy + 4x2 + -18y2 = 0

Solving
xy + 4x2 + -18y2 = 0

Solving for variable 'x'.

Factor a trinomial.
(x + -2y)(4x + 9y) = 0


Subproblem 1
Set the factor '(x + -2y)' equal to zero and attempt to solve:

Simplifying
x + -2y = 0

Solving
x + -2y = 0

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

Add '2y' to each side of the equation.
x + -2y + 2y = 0 + 2y

Combine like terms: -2y + 2y = 0
x + 0 = 0 + 2y
x = 0 + 2y
Remove the zero:
x = 2y

Simplifying
x = 2y

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

Simplifying
4x + 9y = 0

Solving
4x + 9y = 0

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

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

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

Divide each side by '4'.
x = -2.25y

Simplifying
x = -2.25y
Solution
x = {2y, -2.25y}

See similar equations:

| 2x^2+13xy+18y^2=0 | | 10x+3=4x+15 | | 6s-5.1=18.9 | | 5x=3+2x | | 10.2=6t-1.2 | | 4t-1.8=10.6 | | 3n+6.2=9.2 | | -5(2x-7)+2=-10x+37 | | 19d-1=56 | | 4k-42=18 | | 50=5c-10 | | 6n-19=53 | | h(x)=6 | | 9y+10=19 | | -6=3.1t+6.4 | | 13x-4+9x+16=180 | | 10-5x-7-10x=6 | | (x-18)/6+(x+9)/9=x+5 | | c^2-12c+36=0 | | 49a^2-64f^2=0 | | -2x^6-6x^5+56x^4=0 | | 0.5n+2=-7 | | 32=2n+10 | | x/5=x/6+8 | | 6b-3=39 | | 10=5-6.5 | | 152=r+86 | | 2y-6-6y+y=-18 | | 64=c-23 | | 2L^2-5L=52 | | 11x=220 | | 6x+4=44 |

Equations solver categories