-2y^2-5y+18=0

Simple and best practice solution for -2y^2-5y+18=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 -2y^2-5y+18=0 equation:


Simplifying
-2y2 + -5y + 18 = 0

Reorder the terms:
18 + -5y + -2y2 = 0

Solving
18 + -5y + -2y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(2 + -1y)(9 + 2y) = 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 '(9 + 2y)' equal to zero and attempt to solve: Simplifying 9 + 2y = 0 Solving 9 + 2y = 0 Move all terms containing y to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 2y = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 2y = 0 + -9 2y = 0 + -9 Combine like terms: 0 + -9 = -9 2y = -9 Divide each side by '2'. y = -4.5 Simplifying y = -4.5

Solution

y = {2, -4.5}

See similar equations:

| 8+7x+5x+6=2 | | 5(5x+3)-14= | | 8+7x+5x+6=4 | | (4+y)(2y-5)=0 | | -12x+2=10x+5 | | 7w(-8+3w)= | | 2yx^-2/y^-2•2xy^-1 | | 14x^2+120x-4500=0 | | -1/2*32*2.9^2 | | 5a-4/3=7 | | 0.8(x+7)+1.8(x-6)= | | 9+2(x+6)=28 | | 20x-25/5 | | 40x-25=15x+5 | | -7/(x-6)=5 | | d/s-r/s=1 | | 2(x+5)-3x=15 | | b=(a-ha)/h | | 6m+5n+7m+4n= | | 2lm(5x-4)=20 | | 9+2y-3=5y+10-2y | | 3y-4=28 | | -16t^2+48t+28=s(t) | | 4/9X8/52 | | 9(t-6)+5t=7(2t+5)-12 | | -2(-6w+8)-6w=2(w-1)-8 | | 10n=92+21 | | j^7*j^1= | | 69=(r)23 | | 15=4(y+11) | | 3/8-1/12=x/3 | | 4+8+x=19 |

Equations solver categories