3y^2-12y+15=0

Simple and best practice solution for 3y^2-12y+15=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 3y^2-12y+15=0 equation:


Simplifying
3y2 + -12y + 15 = 0

Reorder the terms:
15 + -12y + 3y2 = 0

Solving
15 + -12y + 3y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '3'.
3(5 + -4y + y2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(5 + -4y + y2)' equal to zero and attempt to solve: Simplifying 5 + -4y + y2 = 0 Solving 5 + -4y + y2 = 0 Begin completing the square. Move the constant term to the right: Add '-5' to each side of the equation. 5 + -4y + -5 + y2 = 0 + -5 Reorder the terms: 5 + -5 + -4y + y2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4y + y2 = 0 + -5 -4y + y2 = 0 + -5 Combine like terms: 0 + -5 = -5 -4y + y2 = -5 The y term is -4y. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4y + 4 + y2 = -5 + 4 Reorder the terms: 4 + -4y + y2 = -5 + 4 Combine like terms: -5 + 4 = -1 4 + -4y + y2 = -1 Factor a perfect square on the left side: (y + -2)(y + -2) = -1 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| 4+9n=6n+4 | | (4a^2-7a+12)(a^2+2a-3)= | | 6+a=49 | | .5+.666p+6=4p-1-.8333p | | 3(-6-6x)=198 | | 1/4*9= | | -42=7k | | (x^4/9)^2 | | 3(3+6x)=129 | | 1.5=3 | | 5+7(8r-2)=0 | | .25x+5=.75x+2 | | y=19x+2500 | | 5m+31=9m-2 | | 9-1y=4 | | -5(3+6x)=-15 | | (x-1)+5=230 | | =48+25 | | 5c-2a=1 | | 15.(-2/3) | | 10=-2+n | | x^2-8x+23=f(x) | | 4a+3b=17 | | 5(2+1)=45 | | 2x^2a+2xa^2= | | 2(11+3n)=23 | | B+10=50 | | 8y-5=51 | | logx-3logy=4 | | Z+8=35 | | 4f+10=2f+22 | | tan(51)=x/8 |

Equations solver categories