6z^2+5z=21

Simple and best practice solution for 6z^2+5z=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 6z^2+5z=21 equation:


Simplifying
6z2 + 5z = 21

Reorder the terms:
5z + 6z2 = 21

Solving
5z + 6z2 = 21

Solving for variable 'z'.

Reorder the terms:
-21 + 5z + 6z2 = 21 + -21

Combine like terms: 21 + -21 = 0
-21 + 5z + 6z2 = 0

Factor a trinomial.
(-7 + -3z)(3 + -2z) = 0

Subproblem 1

Set the factor '(-7 + -3z)' equal to zero and attempt to solve: Simplifying -7 + -3z = 0 Solving -7 + -3z = 0 Move all terms containing z to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -3z = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -3z = 0 + 7 -3z = 0 + 7 Combine like terms: 0 + 7 = 7 -3z = 7 Divide each side by '-3'. z = -2.333333333 Simplifying z = -2.333333333

Subproblem 2

Set the factor '(3 + -2z)' equal to zero and attempt to solve: Simplifying 3 + -2z = 0 Solving 3 + -2z = 0 Move all terms containing z to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -2z = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2z = 0 + -3 -2z = 0 + -3 Combine like terms: 0 + -3 = -3 -2z = -3 Divide each side by '-2'. z = 1.5 Simplifying z = 1.5

Solution

z = {-2.333333333, 1.5}

See similar equations:

| x-18-13=31 | | ln(3x-24)=ln(1-2x) | | Log(3x+5)-1=0 | | m/3-3=11 | | x+11-70=25 | | x/2+6=18 | | 80=16tsquared | | 4x+5y=3(x-4y) | | 7y+4=39 | | 30n^2-5n=5 | | 3x+24=15x-46 | | 3n+10=2n+10 | | 38x-95= | | 3x^2-4x-384=0 | | 7n-4(n+5)+12=6 | | 67b+48c= | | 2m^2+4m+1=0 | | 7c(c)= | | 3(c-1)=2(2c+5) | | xsquared+6x=31 | | 72a+27b= | | 9(q-2)=3(2q+6) | | -x(9x-7)(7x+9)=0 | | 81=(.72)x | | 50x^2+200x=-150 | | -3p-3(4+4p)=-132 | | 2n=70 | | 62x+14y= | | 9c+14-3c=62 | | 1.6x=x+20 | | 57m^2+51m-6=0 | | 8[2x+9]=56 |

Equations solver categories