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 ( 71+ )
Otras preguntas
write a two-columm proof
Find the value of b plz
Alaina wants to decide whether her current cell phone plan is better than a package that another company offers. To compare the two plans, she plotted two lines
Solve for x please I can’t seem to know anything I feel so dumb please someone help me please
find the solution of the linear equation 3x-y=4 which represents a point on the line parallel to y axis in the positive direction of the x axis at a distance of
six subtracted from the sum of four and a number
we you noticed a safety hazard what should your first step be
The product of two consecutive, negative integers is 182. What equation represents the situation?
Car travels and average speed of 48 miles per hour how long does it take to travel 180 miles?
In the context of the firm's supply curve, as the firm produces more of a good, the cost of producing each additional unit ▼ increases stays the same decreas
