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

How do you put 11.85 as a fraction

What is the answer? x<-5 or x> -5? -1/5x-4>-3

The sum of two numbers is 31.The product of the two numbers is 150. What are the two numbers?

2 4/9 divided by 8/15

How do I solve 394 × n = 3.94

Sid wrote 541,309 on his paper. Using words and numbers explain how the number would change if he switched the digits in the hundred thousands and tens place

An old house in Boxerville measures 30 feet in height and has windows 5 feet width. An architecture student builds a proportional model that is 3 feet high. How

speed with direction is called

what events led to a conflict between the Jamestown settlers and the powhatan confenderacy

The sum of two numbers is 31.The product of the two numbers is 150. What are the two numbers?