z^2-z-72=

Simple and best practice solution for z^2-z-72= 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 z^2-z-72= equation:


Simplifying
z2 + -1z + -72 = 0

Reorder the terms:
-72 + -1z + z2 = 0

Solving
-72 + -1z + z2 = 0

Solving for variable 'z'.

Factor a trinomial.
(-8 + -1z)(9 + -1z) = 0

Subproblem 1

Set the factor '(-8 + -1z)' equal to zero and attempt to solve: Simplifying -8 + -1z = 0 Solving -8 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1z = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1z = 0 + 8 -1z = 0 + 8 Combine like terms: 0 + 8 = 8 -1z = 8 Divide each side by '-1'. z = -8 Simplifying z = -8

Subproblem 2

Set the factor '(9 + -1z)' equal to zero and attempt to solve: Simplifying 9 + -1z = 0 Solving 9 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1z = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1z = 0 + -9 -1z = 0 + -9 Combine like terms: 0 + -9 = -9 -1z = -9 Divide each side by '-1'. z = 9 Simplifying z = 9

Solution

z = {-8, 9}

See similar equations:

| 33/100= | | 0.6p=-36 | | -0.6n=7.6 | | 1=6c-5 | | 6.6=2.2t | | -3+2(-2)+-9(-2)=14+-2+-1 | | (x+12)(x+2)=168 | | 4x/b=3/10 | | a-58=215 | | a^2-11a+28= | | 2x+1y=43 | | 15x+10=14x+12 | | 5x-5(1-5x)=5(-8x-2) | | -21+x=62 | | -3(x-1)+4=6(x+1)-5 | | 1=1/2x | | 8x+5=91 | | -700/.1 | | 4(2)=6(2) | | 2/3e=36 | | 5plusx-7=2 | | 2x+(-5)=-7 | | 4x+6y=131.60 | | 6-6=14x+3x | | .1/-700 | | 2x+(-5)=7 | | -3(x+1)+4=6(x+1)-5 | | -3+2x(-2)+-9x(2)=14+-2+-1 | | (6-8)=(4-6) | | 6z+31z+14z+29z+17z+33z= | | 6(5g+2)=30g+11 | | 4/7x=-28 |

Equations solver categories