sjharms2576
sjharms2576
02-05-2018
Mathematics
contestada
Factor completely a2 - 9a + 20
Respuesta :
TheBreeze
TheBreeze
02-05-2018
(a - 5)(a - 4)
You can check, the numbers add up, because -5 - 4 is 9, and 5 * 4 is 20
Answer Link
Professor1994
Professor1994
02-05-2018
a^2-9a+20=a^2-5a-4a+20=(a^2-5a)+(-4a+20)
a^2-9a+20=a(a^2/a-5a/a)+(-4)(-4a/(-4)+20/(-4))
a^2-9a+20=a(a-5)-4(a-5)
a^2-9a+20=(a-5)[a(a-5)/(a-5)-4(a-5)/(a-5)]
a^2-9a+20=(a-5)(a-4)
Answer Link
VER TODAS LAS RESPUESTAS ( 39+ )
Otras preguntas
can u tell me how to solve this promblem 4/7 plus 3/7
which type of gas is filled in lays pack and why?
Write a complete reaction of succinic acid and acetic anhydride
what is force ?is it desirable or undesirable?
which type of gas is filled in lays pack and why?
What are the operation sines that make this statement correct? 3_5_7_18_3=14
The Habsburg Empire did all of the following EXCEPT A. take control of Hungary, Croatia, and Slovonia. B. lose their Holy Roman Empire in Germany. C. remain a c
An ice cube is dropped into boiling water. How will heat flow between the water and the ice cube?
find the amplitude, period, and phase shift of the function defined by: y=3-2cos(3x+pi)
which foods earthworms can digest?
