Y^3-y^2-21y+45=0

Simple and best practice solution for Y^3-y^2-21y+45=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 Y^3-y^2-21y+45=0 equation:


Simplifying
Y3 + -1y2 + -21y + 45 = 0

Reorder the terms:
45 + Y3 + -21y + -1y2 = 0

Solving
45 + Y3 + -21y + -1y2 = 0

Solving for variable 'Y'.

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

Add '-45' to each side of the equation.
45 + Y3 + -21y + -45 + -1y2 = 0 + -45

Reorder the terms:
45 + -45 + Y3 + -21y + -1y2 = 0 + -45

Combine like terms: 45 + -45 = 0
0 + Y3 + -21y + -1y2 = 0 + -45
Y3 + -21y + -1y2 = 0 + -45

Combine like terms: 0 + -45 = -45
Y3 + -21y + -1y2 = -45

Add '21y' to each side of the equation.
Y3 + -21y + 21y + -1y2 = -45 + 21y

Combine like terms: -21y + 21y = 0
Y3 + 0 + -1y2 = -45 + 21y
Y3 + -1y2 = -45 + 21y

Add 'y2' to each side of the equation.
Y3 + -1y2 + y2 = -45 + 21y + y2

Combine like terms: -1y2 + y2 = 0
Y3 + 0 = -45 + 21y + y2
Y3 = -45 + 21y + y2

Simplifying
Y3 = -45 + 21y + y2

Reorder the terms:
45 + Y3 + -21y + -1y2 = -45 + 21y + y2 + 45 + -21y + -1y2

Reorder the terms:
45 + Y3 + -21y + -1y2 = -45 + 45 + 21y + -21y + y2 + -1y2

Combine like terms: -45 + 45 = 0
45 + Y3 + -21y + -1y2 = 0 + 21y + -21y + y2 + -1y2
45 + Y3 + -21y + -1y2 = 21y + -21y + y2 + -1y2

Combine like terms: 21y + -21y = 0
45 + Y3 + -21y + -1y2 = 0 + y2 + -1y2
45 + Y3 + -21y + -1y2 = y2 + -1y2

Combine like terms: y2 + -1y2 = 0
45 + Y3 + -21y + -1y2 = 0

The solution to this equation could not be determined.

See similar equations:

| 5x-x-6x= | | c=2(pi)(3) | | 9y-2=3y+8 | | (K+1)x^2-3x+6=0 | | 7x+8x=200 | | 4(x+5)=3(x+10) | | 98G=7 | | (x^4-x^3-5*(x^2)-2x-3)=0 | | 14=(20-R) | | (x^4-x^3-5*(x^2)-2x-3)=1 | | 2x^4-2x^3-11x^2-x-6=0 | | 3(x+2)=22-x | | x+2=11-3x | | 10-7x=9-11x | | 10x-11=7x+7 | | 5x-2(10-x)=36 | | 10x+4=7x+25 | | P+3p=40 | | x+4.2=2.1 | | 2x-4y=3z+5w | | [2a^2b/x-1.414]^2 | | x+3.2=6.4 | | (y^2+y+2)(y^2+y-1)=40 | | 4xy+2x+5x= | | 15/y^2-11=0 | | 20x-30=50x+90 | | X+28=100-2x | | 40-2x=4+x | | 20x-12=104-9x | | 2x-5=22-x | | 5x-39=3x | | x^4-5x^2=5x^2-25 |

Equations solver categories