9y(2y+1)=9

Simple and best practice solution for 9y(2y+1)=9 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(2y+1)=9 equation:


Simplifying
9y(2y + 1) = 9

Reorder the terms:
9y(1 + 2y) = 9
(1 * 9y + 2y * 9y) = 9
(9y + 18y2) = 9

Solving
9y + 18y2 = 9

Solving for variable 'y'.

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

Combine like terms: 9 + -9 = 0
-9 + 9y + 18y2 = 0

Factor out the Greatest Common Factor (GCF), '9'.
9(-1 + y + 2y2) = 0

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

Ignore the factor 9.

Subproblem 1

Set the factor '(-1 + -1y)' equal to zero and attempt to solve: Simplifying -1 + -1y = 0 Solving -1 + -1y = 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 + -1y = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1y = 0 + 1 -1y = 0 + 1 Combine like terms: 0 + 1 = 1 -1y = 1 Divide each side by '-1'. y = -1 Simplifying y = -1

Subproblem 2

Set the factor '(1 + -2y)' equal to zero and attempt to solve: Simplifying 1 + -2y = 0 Solving 1 + -2y = 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 + -2y = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2y = 0 + -1 -2y = 0 + -1 Combine like terms: 0 + -1 = -1 -2y = -1 Divide each side by '-2'. y = 0.5 Simplifying y = 0.5

Solution

y = {-1, 0.5}

See similar equations:

| 2p^2-12p-32=0 | | 5y^2=-30 | | 23-13=2(x-3) | | 29-3x=5-9x | | 5x+7=-59+6x | | 6x+3x-8=37 | | 61+6y-16=16y-11-2y | | 9n^2+36n=0 | | 34.22=7g+3.56 | | 6x^2-12x-288=0 | | -2(1r+7)=-39 | | 1.1=3y+11.3 | | 4x+y=4.20 | | 1.3=3y+11.3 | | 3(p-2)= | | 3.7(-83x-3)=3.7(7-30) | | 8*x^4+8*x^3+x^2-2*x-1=0 | | y=1.05-x | | 4-n=13 | | 8x^4+8x^3+x^2-2x-1=0 | | 4n+3.9=10.3 | | 7(x-1)+14(x+7)= | | 18x+9=-7x | | 120x+90x=3600 | | -45(-14)-20= | | 7(x+8y)= | | 18x+6=-3 | | 9x-4=2x+6 | | -45(-12)+70= | | 6*c=666 | | 5*c=460 | | a^2-4a+7=0 |

Equations solver categories