9y^2-2y-40=0

Simple and best practice solution for 9y^2-2y-40=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 9y^2-2y-40=0 equation:


Simplifying
9y2 + -2y + -40 = 0

Reorder the terms:
-40 + -2y + 9y2 = 0

Solving
-40 + -2y + 9y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-2 + -1y)(20 + -9y) = 0

Subproblem 1

Set the factor '(-2 + -1y)' equal to zero and attempt to solve: Simplifying -2 + -1y = 0 Solving -2 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1y = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1y = 0 + 2 -1y = 0 + 2 Combine like terms: 0 + 2 = 2 -1y = 2 Divide each side by '-1'. y = -2 Simplifying y = -2

Subproblem 2

Set the factor '(20 + -9y)' equal to zero and attempt to solve: Simplifying 20 + -9y = 0 Solving 20 + -9y = 0 Move all terms containing y to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + -20 + -9y = 0 + -20 Combine like terms: 20 + -20 = 0 0 + -9y = 0 + -20 -9y = 0 + -20 Combine like terms: 0 + -20 = -20 -9y = -20 Divide each side by '-9'. y = 2.222222222 Simplifying y = 2.222222222

Solution

y = {-2, 2.222222222}

See similar equations:

| g-7=0 | | f+7=25 | | 8(2-x)-(x+16)=1 | | 2x^2-12y=0 | | 5w^2-11w+6=0 | | 7k+28= | | sinx/x= | | 1/cos= | | 2x-16+4=28 | | 1/cos | | 4w^2+21w+32=0 | | 1/cosx= | | 1/cosx | | -6w^2+-11w+-5=0 | | x+3+3x-3=10 | | (x+4)-4(x+1)=1 | | 5x-12=-2x+5(x-2) | | 3(x-8)=2x-9 | | Y=3+14 | | 12-3(x+4)=9 | | -5w^2+-29w+-20=0 | | 5x+4=11.5 | | v-5=v | | 5=-16t^2+30 | | 2w^2+3w+-20=0 | | h^3-17h+960=0 | | ln(x)+ln(x+35)=74 | | 6w^2-12w+3=0 | | 19x+14=9x+2 | | x^4+27ix=0 | | 18-x=2(6+x) | | h=-16x^2+36x+5 |

Equations solver categories