4y^2+12y+9=0

Simple and best practice solution for 4y^2+12y+9=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 4y^2+12y+9=0 equation:


Simplifying
4y2 + 12y + 9 = 0

Reorder the terms:
9 + 12y + 4y2 = 0

Solving
9 + 12y + 4y2 = 0

Solving for variable 'y'.

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

Subproblem 1

Set the factor '(3 + 2y)' equal to zero and attempt to solve: Simplifying 3 + 2y = 0 Solving 3 + 2y = 0 Move all terms containing y to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 2y = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2y = 0 + -3 2y = 0 + -3 Combine like terms: 0 + -3 = -3 2y = -3 Divide each side by '2'. y = -1.5 Simplifying y = -1.5

Subproblem 2

Set the factor '(3 + 2y)' equal to zero and attempt to solve: Simplifying 3 + 2y = 0 Solving 3 + 2y = 0 Move all terms containing y to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 2y = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2y = 0 + -3 2y = 0 + -3 Combine like terms: 0 + -3 = -3 2y = -3 Divide each side by '2'. y = -1.5 Simplifying y = -1.5

Solution

y = {-1.5, -1.5}

See similar equations:

| A=2b+4 | | 4y^5+40y^4+100y^3=0 | | 2x^2-25x+63=0 | | -5(2y+4)= | | 8t^2-72t+112=0 | | 4x+5=-4x+5 | | -4x=10 | | v^3+125=0 | | 9x^2-12x+4=17 | | 2x+3yi=-5+18i | | i=2 | | 8-3m=8m-7m | | 7z-9=-30 | | X^2-13x+20=-6 | | 5(6p+(p+3m)+6m)= | | -2x+2=4(2+x) | | 5x^2=9 | | .7(3x+6)=1.1-(x+2) | | 7-2y=9-7y+5y | | 5x^2=23 | | 11(20y+16)= | | 0.72x-0.83=6.01-3.08x | | 7+2x= | | 2(x-2)=4x+6 | | 0.10(x+80)+0.20x=8+0.30x | | 7=-2 | | 7=2x | | 5x^2=110 | | 7=-2x | | 21=3(x-3) | | -2x+2y=-10 | | 13w-9-8w-10= |

Equations solver categories