3y^2-17y+56=0

Simple and best practice solution for 3y^2-17y+56=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^2-17y+56=0 equation:


Simplifying
3y2 + -17y + 56 = 0

Reorder the terms:
56 + -17y + 3y2 = 0

Solving
56 + -17y + 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'.
18.66666667 + -5.666666667y + y2 = 0

Move the constant term to the right:

Add '-18.66666667' to each side of the equation.
18.66666667 + -5.666666667y + -18.66666667 + y2 = 0 + -18.66666667

Reorder the terms:
18.66666667 + -18.66666667 + -5.666666667y + y2 = 0 + -18.66666667

Combine like terms: 18.66666667 + -18.66666667 = 0.00000000
0.00000000 + -5.666666667y + y2 = 0 + -18.66666667
-5.666666667y + y2 = 0 + -18.66666667

Combine like terms: 0 + -18.66666667 = -18.66666667
-5.666666667y + y2 = -18.66666667

The y term is -5.666666667y.  Take half its coefficient (-2.833333334).
Square it (8.027777782) and add it to both sides.

Add '8.027777782' to each side of the equation.
-5.666666667y + 8.027777782 + y2 = -18.66666667 + 8.027777782

Reorder the terms:
8.027777782 + -5.666666667y + y2 = -18.66666667 + 8.027777782

Combine like terms: -18.66666667 + 8.027777782 = -10.638888888
8.027777782 + -5.666666667y + y2 = -10.638888888

Factor a perfect square on the left side:
(y + -2.833333334)(y + -2.833333334) = -10.638888888

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| x+x+16-16x+3=0 | | 3k+23=-13 | | 0.4n=1 | | 2(2(33)-1)= | | a*b*g=1 | | 5x-6=2(3x+4) | | 4x+7+3=19+x | | 12z^7-36z^3=0 | | 2(3x+2)=5x+3 | | 4x-2=2(x-1) | | 5(2-x)+7x-21=x+3 | | 15x=7x+24 | | 9x^2+10xy+y^2=0 | | (2x-8)-5= | | (2x-8)-5=-1 | | 2q-4=6q-8 | | x=5*3 | | 2x+1=42-7 | | x^2-8x^2-x+8=0 | | 40x^2-39x+40=0 | | 4+7=121/ | | 15x+4=4x-7 | | x^2+26x+72=0 | | U=(a+d)x | | 20p-5(6-5p)=3(p-3)-15 | | 4k=140 | | 2x^2+45=x^2+14x | | 17=3+2M | | 2(x-4)+6=3x-6(x-1) | | 17=3+2N | | 7M+2=7M-5 | | 222-5x=31x+22 |

Equations solver categories