6(c-4)c=7

Simple and best practice solution for 6(c-4)c=7 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(c-4)c=7 equation:


Simplifying
6(c + -4) * c = 7

Reorder the terms:
6(-4 + c) * c = 7

Reorder the terms for easier multiplication:
6c(-4 + c) = 7
(-4 * 6c + c * 6c) = 7
(-24c + 6c2) = 7

Solving
-24c + 6c2 = 7

Solving for variable 'c'.

Reorder the terms:
-7 + -24c + 6c2 = 7 + -7

Combine like terms: 7 + -7 = 0
-7 + -24c + 6c2 = 0

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

Divide each side by '6'.
-1.166666667 + -4c + c2 = 0

Move the constant term to the right:

Add '1.166666667' to each side of the equation.
-1.166666667 + -4c + 1.166666667 + c2 = 0 + 1.166666667

Reorder the terms:
-1.166666667 + 1.166666667 + -4c + c2 = 0 + 1.166666667

Combine like terms: -1.166666667 + 1.166666667 = 0.000000000
0.000000000 + -4c + c2 = 0 + 1.166666667
-4c + c2 = 0 + 1.166666667

Combine like terms: 0 + 1.166666667 = 1.166666667
-4c + c2 = 1.166666667

The c term is -4c.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4c + 4 + c2 = 1.166666667 + 4

Reorder the terms:
4 + -4c + c2 = 1.166666667 + 4

Combine like terms: 1.166666667 + 4 = 5.166666667
4 + -4c + c2 = 5.166666667

Factor a perfect square on the left side:
(c + -2)(c + -2) = 5.166666667

Calculate the square root of the right side: 2.273030283

Break this problem into two subproblems by setting 
(c + -2) equal to 2.273030283 and -2.273030283.

Subproblem 1

c + -2 = 2.273030283 Simplifying c + -2 = 2.273030283 Reorder the terms: -2 + c = 2.273030283 Solving -2 + c = 2.273030283 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + c = 2.273030283 + 2 Combine like terms: -2 + 2 = 0 0 + c = 2.273030283 + 2 c = 2.273030283 + 2 Combine like terms: 2.273030283 + 2 = 4.273030283 c = 4.273030283 Simplifying c = 4.273030283

Subproblem 2

c + -2 = -2.273030283 Simplifying c + -2 = -2.273030283 Reorder the terms: -2 + c = -2.273030283 Solving -2 + c = -2.273030283 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + c = -2.273030283 + 2 Combine like terms: -2 + 2 = 0 0 + c = -2.273030283 + 2 c = -2.273030283 + 2 Combine like terms: -2.273030283 + 2 = -0.273030283 c = -0.273030283 Simplifying c = -0.273030283

Solution

The solution to the problem is based on the solutions from the subproblems. c = {4.273030283, -0.273030283}

See similar equations:

| -2(-4n+3)+7n=12-(n+2) | | 48+16=32y | | 3x^2+13x-38=0 | | 6.142857143+-0.1428571429y=4.5+1.5y | | 7x+y=43 | | 18=9t-3t | | 2x-3y=9 | | 20=7y-12y | | 5=v+29 | | (x-7)= | | 6=m-16 | | -5+x=0 | | 37-30=7x | | 20-44=8x | | 12-9x=217-44x | | x+x+x+x+x-1=1+1+1+1+1+x | | 3(5-3)(y-4)=2y+7 | | -89-7x=7x+23 | | p-35=9(18-7) | | 17+3=4x | | 9x-3x=-3 | | 4p+4q=36 | | 77=6t+5t | | 4x+11+3x+1=180 | | 10u^3+44u^2-30u= | | 14x+5+10x+15=80 | | 2(p+6)p=11 | | k+1=-27 | | 3x=11+22 | | 2p-5p=12 | | 3y-2(y+4)=4 | | 2x=23-23 |

Equations solver categories