4x^2-21xy-25y^2=0

Simple and best practice solution for 4x^2-21xy-25y^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^2-21xy-25y^2=0 equation: 


Simplifying
4x2 + -21xy + -25y2 = 0

Reorder the terms:
-21xy + 4x2 + -25y2 = 0

Solving
-21xy + 4x2 + -25y2 = 0

Solving for variable 'x'.

Factor a trinomial.
(4x + -25y)(x + y) = 0


Subproblem 1
Set the factor '(4x + -25y)' equal to zero and attempt to solve:

Simplifying
4x + -25y = 0

Solving
4x + -25y = 0

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

Add '25y' to each side of the equation.
4x + -25y + 25y = 0 + 25y

Combine like terms: -25y + 25y = 0
4x + 0 = 0 + 25y
4x = 0 + 25y
Remove the zero:
4x = 25y

Divide each side by '4'.
x = 6.25y

Simplifying
x = 6.25y

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

Simplifying
x + y = 0

Solving
x + y = 0

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

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

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

Simplifying
x = -1y
Solution
x = {6.25y, -1y}

See similar equations:

| 36=.44*w | | 3x+5x+15=10 | | X(5x-2)+x(2x-3)=(7x+8)(x-3) | | (3+4x)+(x-2)= | | 36=.43*w | | 100(15t+4.75)=143.25 | | fx=4cos(2x) | | B=12.89+-8s | | ((5x)/2)-9=(2x-7)/6 | | (2x+5)(x^2-4x+3)= | | X^3-18x^2+78x-7=0 | | 12x=65 | | 15t+4.75=143.25 | | y-2*7=6*7 | | x-0.75=2/4 | | (17-3)*(14-6)-22=z | | 6(w-1)=(3w+5) | | n*4+12=9 | | 102=2(7w)+2(3w) | | 27=12x+5y | | (17-3)x(14-6)-22=z | | 4x+15=140 | | D7/2/d3 | | A-31/6=10 | | 10x=5x+155 | | 42x=87 | | M+8v=z | | 5x-3(/2)=11 | | Y3/4/y1/2 | | ab-3ab= | | -4/24=5/m | | -10=k-7/3 |

Equations solver categories