Destiny8167 Destiny8167
  • 03-01-2018
  • Mathematics
contestada

Which of the binomials below is a factor of this trinomial? x2 - 7x - 18

Respuesta :

zrh2sfo
zrh2sfo zrh2sfo
  • 03-01-2018
(x+2)(x-9) 

x^2 - 7 x - 18
The factors of -18 that sum to -7 are 2 and -9. So, x^2 - 7 x - 18 = (x + 2) (x - 9):
Answer:  (x + 2) (x - 9)



Answer Link

Otras preguntas

175% of what number is 45?
What bones protect the lungs?
How are federal judges are nominated and approved
Cells in multi-cellular organisms A) All look the same B) All have the same function C) Are often quite different from each other D) Are the same size in every
which is the best description of the purpose and motivation of groups like the ku klux klan and reconstruction era
Add the two expressions. −2.4n−3 and −7.8n+2 Enter your answer in the box. plz help QUICK!!!!!!!!!!
11. Read the song and fill in the blank with the answer to the question in French, you may copy and paste the accented characters from this list if needed: Àà
How to find the missing length?
An old community soccer field, whose area is 600 yd², is enlarged by a scale factor of 9 to create a new outdoor recreation complex to host additional activitie
What is the mass in grams for 9.0 mol lead oxide