18z^2+41z+21=0

Simple and best practice solution for 18z^2+41z+21=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 18z^2+41z+21=0 equation:


Simplifying
18z2 + 41z + 21 = 0

Reorder the terms:
21 + 41z + 18z2 = 0

Solving
21 + 41z + 18z2 = 0

Solving for variable 'z'.

Factor a trinomial.
(3 + 2z)(7 + 9z) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(7 + 9z)' equal to zero and attempt to solve: Simplifying 7 + 9z = 0 Solving 7 + 9z = 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 + 9z = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 9z = 0 + -7 9z = 0 + -7 Combine like terms: 0 + -7 = -7 9z = -7 Divide each side by '9'. z = -0.7777777778 Simplifying z = -0.7777777778

Solution

z = {-1.5, -0.7777777778}

See similar equations:

| (4a)^3/a^5 | | 3(X+1)(2X+5)= | | 3/7w-4.7=-3.8 | | 4a=2a | | 9.3t-7.4=9.34 | | 30+y=3(30) | | 5.8y+7.23=-14.23 | | 61=9*q | | y=22.36x | | K/4-12=5 | | n^2=-21-10n | | -1.4t=-55.58 | | 7+-2y+6y=27 | | 18=24-3c | | 2.97=9t | | 1=s-0.006 | | (x+6)2+(y-16)2=1 | | -70.5+n=-77 | | .4x+.33333333=.4-.6x+.4 | | (x-12)2+(y-11)2=49 | | 800+200x=0 | | Z+0.27=8.9 | | X^2+567=0 | | u^8*u^4= | | (x+8)2+(y+2)2=16 | | 7y=8x-9 | | (X-1)(x+1)+3=6x | | 2-0.1x=0 | | 10r^2-19r=33 | | x+10=30x | | -4u^2(-5u^3)= | | 30+10=3x |

Equations solver categories