x^2+7xy-18y^2=0

Simple and best practice solution for x^2+7xy-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 x^2+7xy-18y^2=0 equation:


Simplifying
x2 + 7xy + -18y2 = 0

Reorder the terms:
7xy + x2 + -18y2 = 0

Solving
7xy + x2 + -18y2 = 0

Solving for variable 'x'.

Factor a trinomial.
(x + -2y)(x + 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 '(x + 9y)' equal to zero and attempt to solve: Simplifying x + 9y = 0 Solving x + 9y = 0 Move all terms containing x to the left, all other terms to the right. Add '-9y' to each side of the equation. x + 9y + -9y = 0 + -9y Combine like terms: 9y + -9y = 0 x + 0 = 0 + -9y x = 0 + -9y Remove the zero: x = -9y Simplifying x = -9y

Solution

x = {2y, -9y}

See similar equations:

| 1/4x-3=4 | | x^2+8xy-33y^2=0 | | y=-0.066x^2+3.58x+122 | | 1/2(2x+6)(x+3) | | 0.10(n+3)/0.25n=1.70 | | 0=-x^2+10x-21 | | x^2-9xy-22y^2=0 | | 0.015625= | | 43z-9=43z-9 | | -1+-9x+x^2=0 | | (4x-3)(4x+3)=0 | | 8x+15=-11 | | 9y-9=7y+7 | | 5[2-(2n-4)]=2(5-3n) | | 9-3z=9-3z | | 1/3X2(2/3) | | 2x^2=7X+72 | | 4(y-3)-30=2 | | 1/3X22/3 | | 13-9x=169-37x | | (x+5)(2x-6) | | 3x-13=x+6 | | 5x+2=-33 | | 8x+11=83 | | 1/6x+1/8x=35 | | 1/3x+1/9x=28 | | 1/3x+1/7x=80 | | 2/3x+4=5 | | (81x^2/9x^-6)^(1/2) | | (81x^2/9x^-6) | | 128+4y=-32 | | (81x^2/(9x^-6))^(1/2) |

Equations solver categories