25-20c+c^2=0

Simple and best practice solution for 25-20c+c^2=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 25-20c+c^2=0 equation:


Simplifying
25 + -20c + c2 = 0

Solving
25 + -20c + c2 = 0

Solving for variable 'c'.

Begin completing the square.

Move the constant term to the right:

Add '-25' to each side of the equation.
25 + -20c + -25 + c2 = 0 + -25

Reorder the terms:
25 + -25 + -20c + c2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -20c + c2 = 0 + -25
-20c + c2 = 0 + -25

Combine like terms: 0 + -25 = -25
-20c + c2 = -25

The c term is -20c.  Take half its coefficient (-10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
-20c + 100 + c2 = -25 + 100

Reorder the terms:
100 + -20c + c2 = -25 + 100

Combine like terms: -25 + 100 = 75
100 + -20c + c2 = 75

Factor a perfect square on the left side:
(c + -10)(c + -10) = 75

Calculate the square root of the right side: 8.660254038

Break this problem into two subproblems by setting 
(c + -10) equal to 8.660254038 and -8.660254038.

Subproblem 1

c + -10 = 8.660254038 Simplifying c + -10 = 8.660254038 Reorder the terms: -10 + c = 8.660254038 Solving -10 + c = 8.660254038 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + c = 8.660254038 + 10 Combine like terms: -10 + 10 = 0 0 + c = 8.660254038 + 10 c = 8.660254038 + 10 Combine like terms: 8.660254038 + 10 = 18.660254038 c = 18.660254038 Simplifying c = 18.660254038

Subproblem 2

c + -10 = -8.660254038 Simplifying c + -10 = -8.660254038 Reorder the terms: -10 + c = -8.660254038 Solving -10 + c = -8.660254038 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + c = -8.660254038 + 10 Combine like terms: -10 + 10 = 0 0 + c = -8.660254038 + 10 c = -8.660254038 + 10 Combine like terms: -8.660254038 + 10 = 1.339745962 c = 1.339745962 Simplifying c = 1.339745962

Solution

The solution to the problem is based on the solutions from the subproblems. c = {18.660254038, 1.339745962}

See similar equations:

| x^2+y^2+12x-14y+85=36 | | (a-5)*(b-5)=512 | | x*y=512 | | 2a^2-2a+1=0 | | -x+24= | | x+2b-a=0 | | 4-2(2)-3=y | | 4-2(-2)-3=y | | 4-(-4)-3=y | | 0=5-2*log(x^2-x-6) | | 0.7x-0.1=0.5-0.2(4-4x) | | f(x)=5-2*log(x^2-x-6) | | 4-(4)-3=y | | 2y/4-y/7-y-3/2 | | Y=x^5+5x^4+5x^3 | | -x+12=6x+5 | | p+p+0=14 | | =5x+22x+7 | | log[4]4x+14-log[4]x-8=2 | | 8x+2=14x+2 | | 2x-3*0=12 | | y^3+4y^2+8y+26=0 | | 20x+15y=340 | | 9-(-6)-3=y | | 30+5c=4c-24 | | 4(3)-2+(6+4*2)= | | 4x+1=-3x+71 | | 9-(6)-3=y | | y=1.5x+54 | | y=-1.5+54 | | 2*0-3y=12 | | -4-4x=6x+76 |

Equations solver categories