c^2-2c-63=0

Simple and best practice solution for c^2-2c-63=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^2-2c-63=0 equation: 


Simplifying
c2 + -2c + -63 = 0

Reorder the terms:
-63 + -2c + c2 = 0

Solving
-63 + -2c + c2 = 0

Solving for variable 'c'.

Factor a trinomial.
(-7 + -1c)(9 + -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 '(9 + -1c)' equal to zero and attempt to solve:

Simplifying
9 + -1c = 0

Solving
9 + -1c = 0

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

Add '-9' to each side of the equation.
9 + -9 + -1c = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -1c = 0 + -9
-1c = 0 + -9

Combine like terms: 0 + -9 = -9
-1c = -9

Divide each side by '-1'.
c = 9

Simplifying
c = 9
Solution
c = {-7, 9}

See similar equations:

| -n-24=5 | | -4+2x=-16 | | 312.50x=50000 | | -1.5(4m+n)-2(m-n)= | | a=a+1 | | I(t)=120t-15t^2 | | 0.5y-7=3x-2 | | 2+(2.5b-9)+6b=-7 | | x^2+kx+28=0 | | 12(4)-8X= | | 215=125 | | 2(a+b^2)-3(-2a-b^2)= | | 9y=-11x-9 | | 7x^2-x+28=0 | | 169x^2-36=0 | | 3x+5=-9 | | 3+.2y=7 | | 4x-6(2-x)=19 | | 3-4n=30 | | 60-(3c+4)=4(c+6)+c | | 3x+2x+6=-15 | | 36x^2-169=0 | | .33(x+6)=.25x+8 | | 9(x-4)=-5(x+3)+41 | | -4p-9p=26 | | 2x-6+7x-3= | | 2a-8+(-a)=-4 | | 2(m+5)=26 | | x^8+4x^4+100=0 | | 4t-8=5(t+3) | | 6x+4=9x-8 | | 7+2n=5n-0.2 |

Equations solver categories