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 ( 82+ )
Otras preguntas
A one page document that introduces you, your skills and background and asks for an interview is an example of what type of document?
What is the value of 4x - 7 when x=4? 1 9 16 23
Find the cube root of 2^6*3^6*5^3
The total amount of mail delivered to 22 million Canadians in 1999 was 6 billion pieces. On average, how much mail did each Canadian receive in 1999? A) 0.3 B)
How would you teach scientific notation?
Use the graph to find the limit (if it exists). If the limit does not exist, explain why. lim tan x x -> pi/2 (Can someone explain to me why the answer is w
will give 30 points someone please help!! Fast! :) A wireless carrier offers the following plans that a person is considering. The Family Plan: $80 monthly fee,
What is the simplified expression
Gender plays an important role in the six components of health. True or False
What is the coefficient of the c-term of the algebraic expression Options: -34 -1 0 1
