(3y+9)(3y+9)=81

Simple and best practice solution for (3y+9)(3y+9)=81 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 (3y+9)(3y+9)=81 equation:


Simplifying
(3y + 9)(3y + 9) = 81

Reorder the terms:
(9 + 3y)(3y + 9) = 81

Reorder the terms:
(9 + 3y)(9 + 3y) = 81

Multiply (9 + 3y) * (9 + 3y)
(9(9 + 3y) + 3y * (9 + 3y)) = 81
((9 * 9 + 3y * 9) + 3y * (9 + 3y)) = 81
((81 + 27y) + 3y * (9 + 3y)) = 81
(81 + 27y + (9 * 3y + 3y * 3y)) = 81
(81 + 27y + (27y + 9y2)) = 81

Combine like terms: 27y + 27y = 54y
(81 + 54y + 9y2) = 81

Add '-81' to each side of the equation.
81 + 54y + -81 + 9y2 = 81 + -81

Reorder the terms:
81 + -81 + 54y + 9y2 = 81 + -81

Combine like terms: 81 + -81 = 0
0 + 54y + 9y2 = 81 + -81
54y + 9y2 = 81 + -81

Combine like terms: 81 + -81 = 0
54y + 9y2 = 0

Solving
54y + 9y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '9y'.
9y(6 + y) = 0

Ignore the factor 9.

Subproblem 1

Set the factor 'y' equal to zero and attempt to solve: Simplifying y = 0 Solving y = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y = 0

Subproblem 2

Set the factor '(6 + y)' equal to zero and attempt to solve: Simplifying 6 + y = 0 Solving 6 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + y = 0 + -6 Combine like terms: 6 + -6 = 0 0 + y = 0 + -6 y = 0 + -6 Combine like terms: 0 + -6 = -6 y = -6 Simplifying y = -6

Solution

y = {0, -6}

See similar equations:

| 12t^2+62t-22=0 | | 16xy-6y= | | -(z+9)+(5z+1)=-3(z+1) | | 7(5x-2)=6(6x-1) | | -5x^2=-40 | | t(n+1)=2n-5 | | 5x+34=94 | | 2x+19=72 | | 46b-10b+50= | | -2sin(2x)-4cos(x)=0 | | 2x^2-40x+96=0 | | 3t+4=2 | | 12x=1800 | | 14+6*5= | | -1.5y+4x=3 | | 5x-43=4x-11 | | 2x=5x^2-8x | | -9(t-7)-(t+3)=2 | | 6y(6y)-y+9=0 | | 30=12+2.5x | | 10=6x^2 | | 15+6(t)=81 | | 12+5a= | | .5x^2-17=145 | | 7x(7x)=4x | | 3(x+7)=2(x-(4-x)) | | 12x^2=1 | | 4x-15y=10 | | x^3+4x^2-3x+56=0 | | 3a-2bc+5a= | | 10cosx=8 | | 2(4x)+2(x)=50 |

Equations solver categories