2c^2+7c-4=0

Simple and best practice solution for 2c^2+7c-4=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 2c^2+7c-4=0 equation:


Simplifying
2c2 + 7c + -4 = 0

Reorder the terms:
-4 + 7c + 2c2 = 0

Solving
-4 + 7c + 2c2 = 0

Solving for variable 'c'.

Factor a trinomial.
(-4 + -1c)(1 + -2c) = 0

Subproblem 1

Set the factor '(-4 + -1c)' equal to zero and attempt to solve: Simplifying -4 + -1c = 0 Solving -4 + -1c = 0 Move all terms containing c to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1c = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1c = 0 + 4 -1c = 0 + 4 Combine like terms: 0 + 4 = 4 -1c = 4 Divide each side by '-1'. c = -4 Simplifying c = -4

Subproblem 2

Set the factor '(1 + -2c)' equal to zero and attempt to solve: Simplifying 1 + -2c = 0 Solving 1 + -2c = 0 Move all terms containing c to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2c = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2c = 0 + -1 -2c = 0 + -1 Combine like terms: 0 + -1 = -1 -2c = -1 Divide each side by '-2'. c = 0.5 Simplifying c = 0.5

Solution

c = {-4, 0.5}

See similar equations:

| 4m-9=10-(3+4m) | | 5(4-4x)=5(5-10x) | | 9x-(2x+3)=13 | | (5/9x-2)*(-3/4) | | -3(-r+s)-2(4r-7s)= | | x+(2x+3)=2x+9 | | -3(-r+s)-2(4t-7s)= | | -439=-7+8(8n-6) | | y=0.21987+15.56 | | x+4x-4=0 | | s^4-11=0 | | -8(6+6p)=-432 | | z+8=-15 | | 2(3)-(2)4x+7=0 | | 8.5+x=12 | | 6x-12=5x+9 | | 96=-6(n-8) | | 3t^2+t-14=0 | | 5x^5-15x^4-20x^3=0 | | 6(x-11)+5=-32 | | 3(-y-3)+y=3 | | 128=4(-8-5k) | | 2x+9=x+12 | | 80+x+61+x+51=180 | | 5a(8a-3)+6a(a+4)= | | 3t^2-5t=7 | | (-3.5x+1.7)+(9.1x+0.3)= | | 2(2x+4)+8=50 | | 2c+4k=50 | | -3(-y-3)+y=3 | | 2/9y-4 | | 8x+2=24 |

Equations solver categories