6y^2-5y+6-12y^2-5y+3=

Simple and best practice solution for 6y^2-5y+6-12y^2-5y+3= 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 6y^2-5y+6-12y^2-5y+3= equation:


Simplifying
6y2 + -5y + 6 + -12y2 + -5y + 3 = 0

Reorder the terms:
6 + 3 + -5y + -5y + 6y2 + -12y2 = 0

Combine like terms: 6 + 3 = 9
9 + -5y + -5y + 6y2 + -12y2 = 0

Combine like terms: -5y + -5y = -10y
9 + -10y + 6y2 + -12y2 = 0

Combine like terms: 6y2 + -12y2 = -6y2
9 + -10y + -6y2 = 0

Solving
9 + -10y + -6y2 = 0

Solving for variable 'y'.

Begin completing the square.  Divide all terms by
-6 the coefficient of the squared term: 

Divide each side by '-6'.
-1.5 + 1.666666667y + y2 = 0

Move the constant term to the right:

Add '1.5' to each side of the equation.
-1.5 + 1.666666667y + 1.5 + y2 = 0 + 1.5

Reorder the terms:
-1.5 + 1.5 + 1.666666667y + y2 = 0 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + 1.666666667y + y2 = 0 + 1.5
1.666666667y + y2 = 0 + 1.5

Combine like terms: 0 + 1.5 = 1.5
1.666666667y + y2 = 1.5

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 = 1.5 + 0.6944444447

Reorder the terms:
0.6944444447 + 1.666666667y + y2 = 1.5 + 0.6944444447

Combine like terms: 1.5 + 0.6944444447 = 2.1944444447
0.6944444447 + 1.666666667y + y2 = 2.1944444447

Factor a perfect square on the left side:
(y + 0.8333333335)(y + 0.8333333335) = 2.1944444447

Calculate the square root of the right side: 1.481365736

Break this problem into two subproblems by setting 
(y + 0.8333333335) equal to 1.481365736 and -1.481365736.

Subproblem 1

y + 0.8333333335 = 1.481365736 Simplifying y + 0.8333333335 = 1.481365736 Reorder the terms: 0.8333333335 + y = 1.481365736 Solving 0.8333333335 + y = 1.481365736 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + y = 1.481365736 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + y = 1.481365736 + -0.8333333335 y = 1.481365736 + -0.8333333335 Combine like terms: 1.481365736 + -0.8333333335 = 0.6480324025 y = 0.6480324025 Simplifying y = 0.6480324025

Subproblem 2

y + 0.8333333335 = -1.481365736 Simplifying y + 0.8333333335 = -1.481365736 Reorder the terms: 0.8333333335 + y = -1.481365736 Solving 0.8333333335 + y = -1.481365736 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + y = -1.481365736 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + y = -1.481365736 + -0.8333333335 y = -1.481365736 + -0.8333333335 Combine like terms: -1.481365736 + -0.8333333335 = -2.3146990695 y = -2.3146990695 Simplifying y = -2.3146990695

Solution

The solution to the problem is based on the solutions from the subproblems. y = {0.6480324025, -2.3146990695}

See similar equations:

| 56=5-3x | | 10x^2=81 | | 6*=24 | | (2+x)/3=7 | | 2(4x-2)-5=6x+4+2 | | 2(4x-2)-5=6x+4+2x | | (9x-4)(5x+6)= | | x^2-24+c=0 | | -(b-12)=-4 | | 12x^3-45x=33x^2 | | x+x+x+10+0.5x=122 | | 3(t+-4)+5=-4 | | 122=x+x+x+10+0.5x | | 0.0007x+0.03=0.1 | | 4-4x=7x+31 | | x-2y= | | 8d-10frd=4 | | 7x-16=2(x-5) | | 5.4=a-(1.8) | | a=v-vt | | x^2-26x+15697=0 | | 8y^2-7y+12-15y^2-7y+3= | | 1=.5(4x+2) | | 4m-12=8m+7 | | 4-4x=7x+3 | | X*.08=100 | | y^2=-3y+28 | | (9a-8)(5a+6)=180 | | 4(6-6x)=6(8-8x) | | 6r-9=15 | | 8(6-6x)=6(8-8x) | | x+47=23 |

Equations solver categories