2x^2-5xy-18y^2=

Simple and best practice solution for 2x^2-5xy-18y^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 2x^2-5xy-18y^2= equation:


Simplifying
2x2 + -5xy + -18y2 = 0

Reorder the terms:
-5xy + 2x2 + -18y2 = 0

Solving
-5xy + 2x2 + -18y2 = 0

Solving for variable 'x'.

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

Subproblem 1

Set the factor '(2x + -9y)' equal to zero and attempt to solve: Simplifying 2x + -9y = 0 Solving 2x + -9y = 0 Move all terms containing x to the left, all other terms to the right. Add '9y' to each side of the equation. 2x + -9y + 9y = 0 + 9y Combine like terms: -9y + 9y = 0 2x + 0 = 0 + 9y 2x = 0 + 9y Remove the zero: 2x = 9y Divide each side by '2'. x = 4.5y Simplifying x = 4.5y

Subproblem 2

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

Solution

x = {4.5y, -2y}

See similar equations:

| 15x-(5x-3)=53 | | 0=-16t^2+64+28 | | 2x^2-3xy-9y^2= | | -.16p-0.05(5-5p)=.05(p-2)-.35 | | =-16t^2+64+27 | | x(2x-2)+x(4x-2)=(6x+8)(x-6) | | 16x^5+8x^2+12= | | 0=-16t^2+96t-140 | | 9(t+4)=36-16t | | (3x+7)(2x^2-5x+3)=0 | | -.2d+70=40 | | .2d+70=40 | | b^4-10b^2+25= | | 13x+2x^2=-20 | | x^2+14x-24=0 | | 5x^2=3x+14 | | 10x-2y+1=0 | | lx-7l=8 | | 11x+2x^2=-5 | | 2ab+2ac+2bc=A | | 0+7+5+1=2598 | | 3.142x-.4835(x-4)=6.795 | | 2x+19=x^2+16x+16 | | 5x^2+29x=-36 | | .1(t+5)+.2t=.3(t-.4) | | 1/24= | | -7x-y=0 | | x=-0.67+0.67+-1.67 | | .35(s+.34)+.15s=.2s-1.66 | | (5w-9)(6-w)=0 | | x+2y+z=-2-2x+4y-4z | | (y-4)(y-3)=0 |

Equations solver categories