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

What is 70% of 8? If anyone can help, THANK YOU SOO MUCH

Question 20: If you are charged with selling/providing/delivering alcoholic beverages to an intoxicated person, the penalty is a Class B Misdemeanor. For the fi

Help me on this please I’d appreciate it

Societies are faced with which three basic questions about production of goods?

What is the meaning of the word overshadowed in the sentence given? The win overshadowed the player’s frustration with his teammates. a. allowed c. to become mo

What could Mike do to help his friends overcome the stereotype that all nurses are women?

What is the value of f(-6) if f(x) = ™X - 4?

What x 9 = 3? 3 Divided by 9 = what

Helppp this is due in an hour!

1. Looking is to eyes as walking is to feet. Analogies