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
VER TODAS LAS RESPUESTAS ( 34+ )
Otras preguntas
Can anyone help me with number 14 & 15?
What should be changed to make the following sentence true? Sigmund Freud believed that understanding the unconscious mind was critical to understand subconscio
What mood is depicted in this painting? a sense of curiosity and adventure a sense of panic and terror a sense of anger and confusion a sense of loneliness and
What is the expression : 12(8-5)
please fill in the blanks.Ecosystems are characterized by the cycling of ____________ and by the flow of ____________ . Both of these begin when ____________ or
Angie has 10 feet of ribbon.She wants to cut strips that are 7 inches in length. How much ribbon I'll be left after if she cuts as many 7 inch strips as possibl
A mobile base station (BS) in an urban environment has a power measurement of 8µW at 225m. Assuming the propagation follows an inverse cube power law (Section 3
What is the relationship between the value of the digit 3 in 4,231 and in the value of the digit 3 in the number 3,421? A. In 4,231, the value of the digit 3 is
Two cats, Tom and Bob, caught together 42 mice in three days. Each day, Tom caught twice as many mice as in the previous day, while Bob caught two more mice tha
Were JP Morgan, Carnegie, and Rockefeller captains of industry or robber barons?
