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 ( 27+ )
Otras preguntas
_____________ are fat-soluble signal molecules that are derived from cholesterol. A) Cholesterases B) Glycogens C) Proteinoids D) Steroids ONLY ANSWER IF YOU
"Celestial choir! enthron'd in realms of light, Columbia's scenes of glorious toils I write. While freedom's cause her anxious breast alarms, She flashes dreadf
what is Roman Empire govenment
A restaurant offers a "Create Your Own Pizza" menu option. There are 3 types of meat, 6 types of vegetables, and 3 kinds of cheese. Customers may choose one
If r is a linear function with the slope that is not equal to zero which of the following is always true of its inverse function
How are silt, delta, and irrigation helpful to the Egyptians?
Which to design elements can be found in the US flag
Which outcome would be an inappropriate biochemical response to low blood sugar?
What percent of 42 is 25% of 56?
The number of points awarded in each round of a game can be represented by f(x)=2^x where x represents the number of the round. What is x when f(x)=16
