4y^2-12y=-9

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


Simplifying
4y2 + -12y = -9

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

Solving
-12y + 4y2 = -9

Solving for variable 'y'.

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

Combine like terms: -9 + 9 = 0
9 + -12y + 4y2 = 0

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:

| 4+2y=17 | | 3x-21=90 | | h(x+5)=x^2+4 | | 11=b+7x | | -3x+7+5x=-2 | | 4x-2(x-2)=-5+4x+3 | | f(x)=3x^2+14x+15 | | 21+a=15 | | 0.02P+0.07(1400-P)=75 | | -3g=51 | | 9a+5-3a+8=97 | | 4-3y=11 | | 8x+63+5x=180 | | 4x+13-2x-23=4 | | 20+30s=36+28s | | 3=-5+2v | | 8=u+9 | | -7(n+4)+32=-3n-12 | | 6-4x=-2x+4 | | -3+w=-9 | | -0.75m+9.5=4.75 | | L=a | | 17=3y+8 | | 22x=104 | | 3(x-8)=1 | | 13-3m=4 | | 54=4v-10 | | -0.75m+9.5=20 | | 186=-y+111 | | 3(3+0.4y)+5y=-22 | | 2u-12=14 | | 6+4(-6x-1)=-5 |

Equations solver categories