42x^4-99x^3y-15x^2y^2=0

Simple and best practice solution for 42x^4-99x^3y-15x^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 42x^4-99x^3y-15x^2y^2=0 equation: 


Simplifying
42x4 + -99x3y + -15x2y2 = 0

Reorder the terms:
-15x2y2 + -99x3y + 42x4 = 0

Solving
-15x2y2 + -99x3y + 42x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x2'.
3x2(-5y2 + -33xy + 14x2) = 0

Factor a trinomial.
3x2((-1y + -7x)(5y + -2x)) = 0

Ignore the factor 3.

Subproblem 1
Set the factor 'x2' equal to zero and attempt to solve:

Simplifying
x2 = 0

Solving
x2 = 0

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

Simplifying
x2 = 0

Take the square root of each side:
x = {0}

Subproblem 2
Set the factor '(-1y + -7x)' equal to zero and attempt to solve:

Simplifying
-1y + -7x = 0

Reorder the terms:
-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 3
Set the factor '(5y + -2x)' equal to zero and attempt to solve:

Simplifying
5y + -2x = 0

Reorder the terms:
-2x + 5y = 0

Solving
-2x + 5y = 0

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

Add '-5y' to each side of the equation.
-2x + 5y + -5y = 0 + -5y

Combine like terms: 5y + -5y = 0
-2x + 0 = 0 + -5y
-2x = 0 + -5y
Remove the zero:
-2x = -5y

Divide each side by '-2'.
x = 2.5y

Simplifying
x = 2.5y
Solution
x = {0, -0.1428571429y, 2.5y}

See similar equations:

| (9/7x+7)=(5/x+1)-(2/7) | | 9-1x=3x+1 | | 3x-(14)=32 | | 9/7x+7=5/x+1-2/7 | | 10(3+4r)-7=5(-11+9r)-11r | | -5y+10=-25 | | 25/8m=71/4 | | m^2+20mn+100n^2=0 | | 35n/30 | | 5(x-3)=3+2x | | 35n-40/30 | | 2[7-5(1-x)]+8x=-24+5[6(x+1)-3x] | | -x^2+4x=-35 | | 23/11684 | | log(67)=log(23*x) | | -3a^5+12a^4-15a= | | 0.6x-2=0.66x-1 | | 8(7a+11)+8a=-9a-10(1-8a) | | -(7x-5)-(7x-5)+5=-13(x-1)-(5x+13)+3 | | (x^4+1)(x^2+1)=0 | | 5x(5x)+21x+22=0 | | 6.49x-0.6-5.31x=2.323 | | 2(4x-2)=2(2x+4) | | x^5+x^5=0 | | 24/22=84/n | | 3(x+2)=4x+3 | | t(t)-8t+15=0 | | (x^4+1)(x+1)=0 | | 20/12=t/30 | | 7ab-ab= | | 7/43x | | (x^3+1)(x^2+1)=0 |

Equations solver categories