Phillyd80 Phillyd80

04-08-2017
Mathematics

contestada

Solve the equation by factoring. z^2-6z-27=0

Respuesta :

Banabanana Banabanana

04-08-2017

z² - 6z - 27 = 0
z² + 3z - 9z - 27 = 0
z(z+3) - 9(z+3) = 0
(z+3)(z-9) = 0

z + 3 = 0 or z - 9 = 0
z = -3 z = 9

Answer: z=-3 and z=9

Answer Link

Otras preguntas

A family has two male children. One brother has a straight thumb, while the other brother has a bent thumb. What causes this difference ?

Republicans and Democrats disagree over whta type of voter law? Republicans say it protects the sanctity of the ballot, while democrats fear it suppresses turno

Randy filled out a deposit slip today. He deposited two checks for $123.17 and $34.68 and took out $50 in cash. Did Randy have to sign the deposit slip? yes no

What is an example of a physical change that happens inside your body? Food being broken down by enzymes in your stomach Food being broken into small pieces by

4/5 make this to a whole number

Two individuals who were previously sole proprietors form a partnership. Property other than cash that is part of the initial investment in the partnership is r

A myth that is like a "family tree" in that it explains the relationships between gods and creatures is called a[n] ___________.

List all the prime numbers between 80 and 100

5x – 4>-4 What the answer

Suppose manufacturers introduce a new model car to replace a car currently included in the CPI basket. The price of the new car is 10 percent higher than the di