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 ( 66+ )
Otras preguntas
please help me with these questions! I really need the help! I will give a brainliest to the best answer for all the questions, and the next best will get a tha
= −5=minus, 5, equals + 6 +6plus, 6 - 15 - 15 - 10 - 10 - 5 - 5 5 5 10 10 15 15 0 0
asap plz What is the reciprocal of 2 3/8? 19/8 16/3 8/19 3/16
In the 1840s, how did the United States and Great Britain resolve their disagreement over control of the Oregon Territory? * a.The United States sent troops to
TRUE OR FALSE: When using a debit card you must use your pin
Please help ASAP!! Algebra (equation in picture)
your washing your hands regularly and always before you eat this is an example of
What connections do both Henry and Franklin make
Prokaryotes are multicellular True or false
5.) The two figures below have the same perimeter. Set up and solve an. equation to find the value of x. Write your answer as a decimal. * 12x 12x 6x + 9 12x X
