3y^2-5y+8=0

Simple and best practice solution for 3y^2-5y+8=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^2-5y+8=0 equation:


Simplifying
3y2 + -5y + 8 = 0

Reorder the terms:
8 + -5y + 3y2 = 0

Solving
8 + -5y + 3y2 = 0

Solving for variable 'y'.

Begin completing the square.  Divide all terms by
3 the coefficient of the squared term: 

Divide each side by '3'.
2.666666667 + -1.666666667y + y2 = 0

Move the constant term to the right:

Add '-2.666666667' to each side of the equation.
2.666666667 + -1.666666667y + -2.666666667 + y2 = 0 + -2.666666667

Reorder the terms:
2.666666667 + -2.666666667 + -1.666666667y + y2 = 0 + -2.666666667

Combine like terms: 2.666666667 + -2.666666667 = 0.000000000
0.000000000 + -1.666666667y + y2 = 0 + -2.666666667
-1.666666667y + y2 = 0 + -2.666666667

Combine like terms: 0 + -2.666666667 = -2.666666667
-1.666666667y + y2 = -2.666666667

The y term is -1.666666667y.  Take half its coefficient (-0.8333333335).
Square it (0.6944444447) and add it to both sides.

Add '0.6944444447' to each side of the equation.
-1.666666667y + 0.6944444447 + y2 = -2.666666667 + 0.6944444447

Reorder the terms:
0.6944444447 + -1.666666667y + y2 = -2.666666667 + 0.6944444447

Combine like terms: -2.666666667 + 0.6944444447 = -1.9722222223
0.6944444447 + -1.666666667y + y2 = -1.9722222223

Factor a perfect square on the left side:
(y + -0.8333333335)(y + -0.8333333335) = -1.9722222223

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| .50*-3= | | 3y^2-5y=8 | | 3/4(4x-8)=2/3(6x+15) | | 4(x+2)/4=26 | | -8(x+6)+4=-44 | | 4c-3=35 | | 3(x-5)/2=18 | | x+4=3x-5 | | 7m-8m+2=3 | | 8(4u--1)-12u=11(2u-6) | | 2(x+4)=5(3x-7)-3(x+2) | | 7(2x-8)=8 | | 7y-2 | | -44-92=31-3z | | -4y+10=-2(3y+2) | | 20+x=7 | | (2x-9)+(1.5x+6)=32 | | ln(x)=2ln(3)+ln(5) | | 4(x-6)=3x+16 | | 2(x-1)-7x=18-5(x+4) | | 4=-2h+9 | | 2m=1 | | 4x+7=1x-2 | | 2(x-1)17x=18-5(x+4) | | 9(x-2)/3=27 | | .25(-x-8)=45 | | 5(x+-7)=-45 | | 2x+5-2x^2-3x= | | 7y-2(8+1)=4 | | x+r=9 | | 500-15w=200+12w | | 6-20=24 |

Equations solver categories