c^2+5c-84=0

Simple and best practice solution for c^2+5c-84=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+5c-84=0 equation: 


Simplifying
c2 + 5c + -84 = 0

Reorder the terms:
-84 + 5c + c2 = 0

Solving
-84 + 5c + c2 = 0

Solving for variable 'c'.

Factor a trinomial.
(-12 + -1c)(7 + -1c) = 0


Subproblem 1
Set the factor '(-12 + -1c)' equal to zero and attempt to solve:

Simplifying
-12 + -1c = 0

Solving
-12 + -1c = 0

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

Add '12' to each side of the equation.
-12 + 12 + -1c = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -1c = 0 + 12
-1c = 0 + 12

Combine like terms: 0 + 12 = 12
-1c = 12

Divide each side by '-1'.
c = -12

Simplifying
c = -12

Subproblem 2
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
Solution
c = {-12, 7}

See similar equations:

| 3+4x= | | 7x^2-18x+12= | | k^2-9k+20=0 | | 6(4x-9)= | | 4y+5m= | | 5b-6-7b-4= | | y^2+8y=2 | | 17x-23y=11 | | 3f+4f= | | (a-2b)(a-b)= | | 10m+10=12m-10 | | y^2+8=2 | | 11r+8(1-9r)=9r+8(-11r-8) | | 8n-19=6n+7 | | (x+5)+(x-4)=11 | | X+14.8=1.2-7x | | x^2+x-240= | | 15r-15=8r-1 | | -(x-1)x=9(x-1) | | 5x-1=-4x+17 | | 9w+6=9w+3-5 | | p^4-15p^2+54=0 | | 2=-11(3n+9)-11(6-3n) | | 3-4lnx=-7 | | 4-3x=4-x | | -2z-1=-1.5 | | 0.5x+2=8+x | | 10x-2=20-x | | (2x+15)=(3x-10) | | 6m-2=7p-2 | | y=3xy-2y+x-5 | | h(t)=-16t+40t+5 |

Equations solver categories