4c^2-25c=21

Simple and best practice solution for 4c^2-25c=21 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 4c^2-25c=21 equation:


Simplifying
4c2 + -25c = 21

Reorder the terms:
-25c + 4c2 = 21

Solving
-25c + 4c2 = 21

Solving for variable 'c'.

Reorder the terms:
-21 + -25c + 4c2 = 21 + -21

Combine like terms: 21 + -21 = 0
-21 + -25c + 4c2 = 0

Factor a trinomial.
(-3 + -4c)(7 + -1c) = 0

Subproblem 1

Set the factor '(-3 + -4c)' equal to zero and attempt to solve: Simplifying -3 + -4c = 0 Solving -3 + -4c = 0 Move all terms containing c to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -4c = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -4c = 0 + 3 -4c = 0 + 3 Combine like terms: 0 + 3 = 3 -4c = 3 Divide each side by '-4'. c = -0.75 Simplifying c = -0.75

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 = {-0.75, 7}

See similar equations:

| 3x+4=24 | | (x-6)(5x+2)=0 | | -5x+2(2x-3)=-11 | | (8x+1)(2x^2-5x-3)=0 | | -12=6x^3-13x^2-5x | | Ln(x)+ln(x+1)=ln(2)+ln(x+3) | | (x+1)(x-9)(3x+1)=0 | | 6x+30-4x+24=-1 | | x-(7+2x)=2(x-1)+1 | | 253u=2u | | 30=6*(3x-4) | | 6x-5(-2x-5)=9 | | (x-8)(5x+3)=0 | | x=7x-10 | | 10x-12=28 | | 5x^3-16x^2=-3x | | 1+54-26+15=x | | 7x^2+3x=10x | | 3x^3+x^2=27x+9 | | 1+54-26+15= | | 5x-2=14x-79 | | 2x-3(6x-10)=14 | | 3x-1=12x-26 | | 2x^2-18x=5x^2-3x-8 | | 3e+2f-e+g-2f-g= | | 2y=5y-2 | | x^3+4x^2-49-196=0 | | (3-2x)-(x+4)-(2x+5)=(3x-4)-(5x+7) | | 2y=5-2 | | 2x^3+24x^2+64x=0 | | -6x-8(2x+21)=8 | | -8(x+2)+3(x+5)=0 |

Equations solver categories