21x^2+11xy-2y^2=0

Simple and best practice solution for 21x^2+11xy-2y^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 21x^2+11xy-2y^2=0 equation: 


Simplifying
21x2 + 11xy + -2y2 = 0

Reorder the terms:
11xy + 21x2 + -2y2 = 0

Solving
11xy + 21x2 + -2y2 = 0

Solving for variable 'x'.

Factor a trinomial.
(7x + -1y)(3x + 2y) = 0


Subproblem 1
Set the factor '(7x + -1y)' equal to zero and attempt to solve:

Simplifying
7x + -1y = 0

Solving
7x + -1y = 0

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

Add 'y' to each side of the equation.
7x + -1y + y = 0 + y

Combine like terms: -1y + y = 0
7x + 0 = 0 + y
7x = 0 + y
Remove the zero:
7x = y

Divide each side by '7'.
x = 0.1428571429y

Simplifying
x = 0.1428571429y

Subproblem 2
Set the factor '(3x + 2y)' equal to zero and attempt to solve:

Simplifying
3x + 2y = 0

Solving
3x + 2y = 0

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

Add '-2y' to each side of the equation.
3x + 2y + -2y = 0 + -2y

Combine like terms: 2y + -2y = 0
3x + 0 = 0 + -2y
3x = 0 + -2y
Remove the zero:
3x = -2y

Divide each side by '3'.
x = -0.6666666667y

Simplifying
x = -0.6666666667y
Solution
x = {0.1428571429y, -0.6666666667y}

See similar equations:

| (3m+6)(4m+11)= | | 5x+16=66-5x | | y6/y4 | | N-6n=20 | | A-r=r | | Tn=2n+3 | | E=qp | | 10x+23=26 | | 5x-6/2=48 | | 6(9+2)+3=3(10-3a) | | 5x-2/2 | | 3x-12-7x=12x+12+2x | | W+m=z | | 5x^2+8x-30=0 | | ln(4)=-0.1*3*x | | -21=3n+2 | | [-6+(-5)]+[6+(-3)]= | | 10-(4y-6)=2-5y | | ln(4)=-0.1*x^2 | | x^4-48x^2+128x=0 | | 5(9a-b)-9(b-9a)=0 | | (5u+9)(3-u)=0 | | 10x-7=9x+5 | | v=13*12 | | x^2+16x+57=-7 | | 25y+7=y | | 0.4(g-9)=0.9(g-4) | | x(2)+4x=4 | | 25y=-7 | | 3+2/5x=-12 | | 3b^2+8b+15= | | 6y-25-8y+37= |

Equations solver categories