15-5c+c^2=

Simple and best practice solution for 15-5c+c^2= 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 15-5c+c^2= equation:


Simplifying
15 + -5c + c2 = 0

Solving
15 + -5c + c2 = 0

Solving for variable 'c'.

Begin completing the square.

Move the constant term to the right:

Add '-15' to each side of the equation.
15 + -5c + -15 + c2 = 0 + -15

Reorder the terms:
15 + -15 + -5c + c2 = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -5c + c2 = 0 + -15
-5c + c2 = 0 + -15

Combine like terms: 0 + -15 = -15
-5c + c2 = -15

The c term is -5c.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5c + 6.25 + c2 = -15 + 6.25

Reorder the terms:
6.25 + -5c + c2 = -15 + 6.25

Combine like terms: -15 + 6.25 = -8.75
6.25 + -5c + c2 = -8.75

Factor a perfect square on the left side:
(c + -2.5)(c + -2.5) = -8.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4p+8-3p=28 | | 71-4x=23+20 | | 6t^2+13t=0 | | -25+1=m-7 | | 9,369,000,000,000= | | 3x+12=-21 | | 6t^2+13t=6 | | 2(3x+6)=3(3x+2) | | X^2-28x+100=0 | | x/4+6=-12 | | 9/11/9/11 | | 3m^2+19m+6=0 | | 6x+4=-1 | | 2.35x+1.1=x-8.62 | | 3y+6=-99 | | k^2-10k-24=0 | | 20x-8=4(4x-9) | | 4+4y=-20 | | 2x+7=1-4x | | 21/8*4/9 | | 2-3x=4x+17 | | 5=10-x | | 2.6x=-12.532 | | h-1/6h+3(2h^2+9h+4) | | 5.3x+2=12.7x-2 | | 7/8z=1/4 | | h-1/6h+3*(2h^2+9h+4) | | 3(x-2)+3(2x+2)=-3(2-x) | | 4p+3=2p+5 | | 5/9y=-35/81 | | 8(y-2)=4y-32 | | A/5+8=5 |

Equations solver categories