c^2-15c+56=0

Simple and best practice solution for c^2-15c+56=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 c^2-15c+56=0 equation: 


Simplifying
c2 + -15c + 56 = 0

Reorder the terms:
56 + -15c + c2 = 0

Solving
56 + -15c + c2 = 0

Solving for variable 'c'.

Factor a trinomial.
(7 + -1c)(8 + -1c) = 0


Subproblem 1
Set the factor '(7 + -1c)' equal to zero and attempt to solve:

Simplifying
7 + -1c = 0

Solving
7 + -1c = 0

Move all terms containing c to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + -1c = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -1c = 0 + -7
-1c = 0 + -7

Combine like terms: 0 + -7 = -7
-1c = -7

Divide each side by '-1'.
c = 7

Simplifying
c = 7

Subproblem 2
Set the factor '(8 + -1c)' equal to zero and attempt to solve:

Simplifying
8 + -1c = 0

Solving
8 + -1c = 0

Move all terms containing c to the left, all other terms to the right.

Add '-8' to each side of the equation.
8 + -8 + -1c = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -1c = 0 + -8
-1c = 0 + -8

Combine like terms: 0 + -8 = -8
-1c = -8

Divide each side by '-1'.
c = 8

Simplifying
c = 8
Solution
c = {7, 8}

See similar equations:

| -x^2+x+18=0 | | -2y+1y-5=11+5 | | 3x^2+47=-30 | | c^2-3c+9=0 | | 6+2s=7 | | 4x-14=-6 | | 9x=-63 | | 3y+1-3y= | | -x=-46 | | x^3-32=0 | | x^4-(2.9)x^2+(8.5)=0 | | 5x+2y=-10 | | -4=3-y | | 4x^2-126=5x^2+25x | | 3r^2-5r-12=0 | | 400=16t(10-t) | | 5=4y-7 | | a^2-5.5a+7.5=0 | | 4x-2(3x-7)=3-5(x-4) | | Y=10x | | 40=8t(7-2t) | | 5a^2-22a+8=0 | | 11=3y-4 | | 16x^2+8x+4=0 | | -98=4.9t(8-t) | | -15x=-4x^2+25 | | 2x^2-8x-14=0 | | 4x^2+12x+9-(9x^2+42x+49)=0 | | -6f+13=2f+11 | | 0.9n=18.0 | | y=76+64+93+80 | | 16x^3-20x^2=6x |

Equations solver categories