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 ( 99+ )
Otras preguntas
Forty-five states in a country have four-star hotels. Assume the country has 50 states. (a) What fraction of the states can claim at least one four-star ho
What is the difference between a linear function and a nonlinear function? And what each looks like when represented as a table and as a graph
The shaman only uses spiritual means to cure illness. True False
Find the value of 2a squared + 5b squared when a = -6 and b =2
Please help me!!!! This is due in 20 minutes!!!! Whoever finds the right answer will be marked brainliest!!!!
Fareed wants to add 1/4+5/8
Please help with this question:)
“political parties are absolutely essential to democratic government.” Explain what this statement means.
En que ano la cuidad fue cambia de localidad a la cuidad de Santiago de los caballeros
why do firms in different countries form alliances with one another
