-6=-7y+y(y-6)

Simple and best practice solution for -6=-7y+y(y-6) 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 -6=-7y+y(y-6) equation:


Simplifying
-6 = -7y + y(y + -6)

Reorder the terms:
-6 = -7y + y(-6 + y)
-6 = -7y + (-6 * y + y * y)
-6 = -7y + (-6y + y2)

Combine like terms: -7y + -6y = -13y
-6 = -13y + y2

Solving
-6 = -13y + y2

Solving for variable 'y'.

Reorder the terms:
-6 + 13y + -1y2 = -13y + 13y + y2 + -1y2

Combine like terms: -13y + 13y = 0
-6 + 13y + -1y2 = 0 + y2 + -1y2
-6 + 13y + -1y2 = y2 + -1y2

Combine like terms: y2 + -1y2 = 0
-6 + 13y + -1y2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
6 + -13y + y2 = 0

Move the constant term to the right:

Add '-6' to each side of the equation.
6 + -13y + -6 + y2 = 0 + -6

Reorder the terms:
6 + -6 + -13y + y2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -13y + y2 = 0 + -6
-13y + y2 = 0 + -6

Combine like terms: 0 + -6 = -6
-13y + y2 = -6

The y term is -13y.  Take half its coefficient (-6.5).
Square it (42.25) and add it to both sides.

Add '42.25' to each side of the equation.
-13y + 42.25 + y2 = -6 + 42.25

Reorder the terms:
42.25 + -13y + y2 = -6 + 42.25

Combine like terms: -6 + 42.25 = 36.25
42.25 + -13y + y2 = 36.25

Factor a perfect square on the left side:
(y + -6.5)(y + -6.5) = 36.25

Calculate the square root of the right side: 6.020797289

Break this problem into two subproblems by setting 
(y + -6.5) equal to 6.020797289 and -6.020797289.

Subproblem 1

y + -6.5 = 6.020797289 Simplifying y + -6.5 = 6.020797289 Reorder the terms: -6.5 + y = 6.020797289 Solving -6.5 + y = 6.020797289 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '6.5' to each side of the equation. -6.5 + 6.5 + y = 6.020797289 + 6.5 Combine like terms: -6.5 + 6.5 = 0.0 0.0 + y = 6.020797289 + 6.5 y = 6.020797289 + 6.5 Combine like terms: 6.020797289 + 6.5 = 12.520797289 y = 12.520797289 Simplifying y = 12.520797289

Subproblem 2

y + -6.5 = -6.020797289 Simplifying y + -6.5 = -6.020797289 Reorder the terms: -6.5 + y = -6.020797289 Solving -6.5 + y = -6.020797289 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '6.5' to each side of the equation. -6.5 + 6.5 + y = -6.020797289 + 6.5 Combine like terms: -6.5 + 6.5 = 0.0 0.0 + y = -6.020797289 + 6.5 y = -6.020797289 + 6.5 Combine like terms: -6.020797289 + 6.5 = 0.479202711 y = 0.479202711 Simplifying y = 0.479202711

Solution

The solution to the problem is based on the solutions from the subproblems. y = {12.520797289, 0.479202711}

See similar equations:

| 6t-10=2y-6 | | 1/10a=0 | | 7m+11+2m-5=33 | | Y=7y-7y^2 | | 4z-29=2x-3 | | Y=-3x^2-4x^2 | | f(0.5)=2x+2 | | f(0.5)=4 | | Y=x^3+5x^3 | | f(3)=-2(9)-4 | | f(3)=-2x-4 | | 108x^2=21 | | 3x-2x[x-4(2x-3)]=7x(2x-5)-1 | | xy-4x=-10 | | xy-4x=-104 | | 1/4(2x-13)/124/5 | | x+0.4x=180 | | 20x+30x= | | -7+12-2x=23+13x | | 64r^3-64r^2=-9 | | y=x^2-14x-51 | | .5(x+6)=18 | | 3(2x-1)=5(3x-6) | | 2x+4+x=265 | | 3(8)-4y=12 | | 4x/(9-x) | | (5x+4)(6x)=144 | | log[3](x-3)=3 | | 2y-21=90+21 | | 4x/(9-x)^0.5 | | 2-6y+3=3y+11-6y | | 4*4+4y+27y+7+65=180 |

Equations solver categories