y^2-4y-5y+20=

Simple and best practice solution for y^2-4y-5y+20= 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^2-4y-5y+20= equation:


Simplifying
y2 + -4y + -5y + 20 = 0

Reorder the terms:
20 + -4y + -5y + y2 = 0

Combine like terms: -4y + -5y = -9y
20 + -9y + y2 = 0

Solving
20 + -9y + y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(4 + -1y)(5 + -1y) = 0

Subproblem 1

Set the factor '(4 + -1y)' equal to zero and attempt to solve: Simplifying 4 + -1y = 0 Solving 4 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1y = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1y = 0 + -4 -1y = 0 + -4 Combine like terms: 0 + -4 = -4 -1y = -4 Divide each side by '-1'. y = 4 Simplifying y = 4

Subproblem 2

Set the factor '(5 + -1y)' equal to zero and attempt to solve: Simplifying 5 + -1y = 0 Solving 5 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1y = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1y = 0 + -5 -1y = 0 + -5 Combine like terms: 0 + -5 = -5 -1y = -5 Divide each side by '-1'. y = 5 Simplifying y = 5

Solution

y = {4, 5}

See similar equations:

| 42x=192-x | | 51(3x-11)= | | 20n+5=45 | | m-n=21 | | x-2x+3=0 | | 3x-6x+10-8x= | | -20y+20=20 | | 2x+3(-x-3)= | | c=740+32(41-10) | | 6x-10x-x+2= | | c=1000+25(41-12) | | c=1000+25(2-12) | | 3(x+2)-3x+5+2x= | | c=740+32(2-10) | | 3n+1=13 | | 10+2x=8+3x | | c=740+32(1-10) | | c=1000+25(1-12) | | 152+10x=200+4x | | 8+7x=92 | | 81x^2-6=30 | | (g^2-2g+4)+(2g^2+g-8)= | | -28=-20+k | | 6-10x=162-38x | | 3X-17=10+8X | | y=9.12x+10.322 | | 2x^2+16=0 | | 12=1x+5 | | (7+19b)*-15= | | 3+5x=33 | | 5m+3=33 | | (3-7k)*-2= |

Equations solver categories