9y^2-18y-16=0

Simple and best practice solution for 9y^2-18y-16=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^2-18y-16=0 equation:


Simplifying
9y2 + -18y + -16 = 0

Reorder the terms:
-16 + -18y + 9y2 = 0

Solving
-16 + -18y + 9y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-2 + -3y)(8 + -3y) = 0

Subproblem 1

Set the factor '(-2 + -3y)' equal to zero and attempt to solve: Simplifying -2 + -3y = 0 Solving -2 + -3y = 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 + -3y = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -3y = 0 + 2 -3y = 0 + 2 Combine like terms: 0 + 2 = 2 -3y = 2 Divide each side by '-3'. y = -0.6666666667 Simplifying y = -0.6666666667

Subproblem 2

Set the factor '(8 + -3y)' equal to zero and attempt to solve: Simplifying 8 + -3y = 0 Solving 8 + -3y = 0 Move all terms containing y to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -3y = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -3y = 0 + -8 -3y = 0 + -8 Combine like terms: 0 + -8 = -8 -3y = -8 Divide each side by '-3'. y = 2.666666667 Simplifying y = 2.666666667

Solution

y = {-0.6666666667, 2.666666667}

See similar equations:

| 19y^2-18y-16=0 | | (2x)(4y)(5z)=40xyz | | 2(2x+4)=5(x-2) | | (2x)(4y)(5z)=4040xyz | | C(x)=0.4(x-1)+0.65 | | k/3=15/105 | | -(5/9)0 | | 9m=162 | | (4x/5)-(2x-3) | | 4x-2=2x-5+3x | | (5/9)0 | | Y=1000000(1.40)t | | 4x-12y=32 | | 7x-18=-2x | | 9cosx-1=7cosx | | (-5/9)0=1 | | 6(x+7)=4(2x+7) | | X+0.16x=1650 | | 5a^9=2a^9 | | -3c-8+6=-20 | | 3x^2+xy-24y^2=0 | | 7(x^4+-8x^2+7)=0 | | 3x+2y-5z=-11 | | (N/3)x7)-6=36 | | -8(1-3v)=-28 | | x=5x^2+x-4 | | 8m+9=81whatism | | 4x+x+5=15 | | 4x+y-2z=1 | | 4(x+2)+4=28 | | 2x^2+21xy+27y^2=0 | | f(x)=5x^2+x-4 |

Equations solver categories