6z^2-7z-20=0

Simple and best practice solution for 6z^2-7z-20=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 6z^2-7z-20=0 equation:


Simplifying
6z2 + -7z + -20 = 0

Reorder the terms:
-20 + -7z + 6z2 = 0

Solving
-20 + -7z + 6z2 = 0

Solving for variable 'z'.

Factor a trinomial.
(-4 + -3z)(5 + -2z) = 0

Subproblem 1

Set the factor '(-4 + -3z)' equal to zero and attempt to solve: Simplifying -4 + -3z = 0 Solving -4 + -3z = 0 Move all terms containing z to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -3z = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -3z = 0 + 4 -3z = 0 + 4 Combine like terms: 0 + 4 = 4 -3z = 4 Divide each side by '-3'. z = -1.333333333 Simplifying z = -1.333333333

Subproblem 2

Set the factor '(5 + -2z)' equal to zero and attempt to solve: Simplifying 5 + -2z = 0 Solving 5 + -2z = 0 Move all terms containing z to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -2z = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2z = 0 + -5 -2z = 0 + -5 Combine like terms: 0 + -5 = -5 -2z = -5 Divide each side by '-2'. z = 2.5 Simplifying z = 2.5

Solution

z = {-1.333333333, 2.5}

See similar equations:

| -8+11s=12s | | .05x+.20(100)=.1(100+x) | | -2+y=6 | | 0.5x-1=1.5 | | 4r+7r=88 | | 6-3x=5x-10x+10 | | 75x^2-91x-12= | | x^1-5x=0 | | -7+y=-3 | | -57=6+9x | | 4+y=-3 | | -3s=-51 | | x-(-12)=-17 | | 14x-42=56 | | y-3=x | | 5-10y=-9y | | x^2=-10x-9 | | x^2-x-42=0 | | 5(t+3)+9=3(p-2)+6 | | x^2-24x+114=0 | | X^2=3x+7 | | 3x-2y=18 | | 13=10-z | | -6x^2-25x-25=0 | | 4t^2+33t+54=0 | | -13=-26 | | 50-4Q=2 | | 4(7-x)-40=2x-3(4+2x) | | 11x+x^2-28=0 | | 15x^2+4x-3=0 | | a+19=-82 | | 15=7+h+14 |

Equations solver categories