18y^2+9y-5=0

Simple and best practice solution for 18y^2+9y-5=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 18y^2+9y-5=0 equation:


Simplifying
18y2 + 9y + -5 = 0

Reorder the terms:
-5 + 9y + 18y2 = 0

Solving
-5 + 9y + 18y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-5 + -6y)(1 + -3y) = 0

Subproblem 1

Set the factor '(-5 + -6y)' equal to zero and attempt to solve: Simplifying -5 + -6y = 0 Solving -5 + -6y = 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 + -6y = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -6y = 0 + 5 -6y = 0 + 5 Combine like terms: 0 + 5 = 5 -6y = 5 Divide each side by '-6'. y = -0.8333333333 Simplifying y = -0.8333333333

Subproblem 2

Set the factor '(1 + -3y)' equal to zero and attempt to solve: Simplifying 1 + -3y = 0 Solving 1 + -3y = 0 Move all terms containing y to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -3y = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3y = 0 + -1 -3y = 0 + -1 Combine like terms: 0 + -1 = -1 -3y = -1 Divide each side by '-3'. y = 0.3333333333 Simplifying y = 0.3333333333

Solution

y = {-0.8333333333, 0.3333333333}

See similar equations:

| 7x^2-42x-7=0 | | 5x+2x-2=12 | | X-27=(-12) | | ax+s=0 | | 2a^2+5a+3=0 | | 3(x+x)+7-5x=8+(-5)(5x-6x)+23 | | 0.5(x+10)+0.1x=14 | | 42+6h=84 | | -0.6x+0.4x-1=-9 | | -19+-12=x | | 6p^2=864 | | -3y+5=-4y+3 | | 9-4(7x-8x)=-3 | | 22+2r=37+6+x | | 15-4k=12-7k | | 18x^2-27x-5=0 | | n+(n+2)+(n+4)=-84 | | -23=3e-(-9) | | 2x+12-10=12+4x-4 | | z+18=y | | 2+5t=-5 | | 10w-18=42 | | 18s^3=50s | | -4(4y-6)-y=-2(y-2) | | x^2-2x+25=0 | | 65=k+8 | | 2thidsx=10 | | 3d+5=17 | | 3(4-2)-(12+3x)=18 | | 3x-2y=-11 | | 11d+13=-9 | | 3+5a=9-3a |

Equations solver categories