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 ( 41+ )
Otras preguntas
Which region do you think was positioned for the most economic success during the remainder of the 1800s? Explain your answer. NEED HELP ASAP
List 2 whole numbers that 1 can multiple to get to 125
Write a 5-8 sentence paragraph in which you summarize the changing attitudes of Americans toward people with disabilities. Use examples from the lesson to suppo
Why does the Texas Constitution create a fragmented executive branch? 1.to satisfy the federal regulations imposed during the Reconstruction Era. 2.a requiremen
_____ is a general sense of emotional exhaustion and cynicism in relation to one’s job.
What values did the 1960s counterculture hold? Check all of the boxes that apply. obeying laws free expression communal living questioning authority respecting
You have a money jar containing nickles and quarters worth $1.55. The money jar contains 11 coins. How many of each coin do you have? HELP
Is there any difference between the intensive properties of saturated vapor at a given temperature and the vapor of a saturated mixture at the same temperature
Prove using direct proof."The supplement of an acute angle is an obtuse angle."
As an object falls the gravitational potential energy of the object is converted into ?