lanaiii lanaiii

20-02-2019
Mathematics

contestada

Factor Completely: x2 - 81
A.(x-9)(x+9)
B.(x+9)(x+9)
C.(x-9)(x-9)
D.(9-x)(9+x)

Respuesta :

april861 april861

20-02-2019

Answer is A

The binomial can be factored using the difference of squares formula a2-b2 = (a+b) (a-b) where a=x and b=9

(X+9) x(x-9)

Answer Link

safyra2005 safyra2005

21-04-2020

Answer:

the answer is A

Step-by-step explanation:

i just did it on usa testprep

Answer Link

Otras preguntas

Write 39 10 as a improper fraction

Henry saved 25% of his paycheck last week. If his paycheck was $800, how much did he save? this is almost due so i really need the help thank you

Can someone help me answer this ?

A has twenty shillings more than B. After A spends 1/4 of his money and B 1/5 of hers they find that B has ten shillings more than A How much money did each per

Instructions On April 15, Compton Co. Paid $1,650 to upgrade a delivery truck and $65 for an oil change. Required: Journalize the entries for the upgrade to de

Complete the table. Original Price Percent of Discount Sale Price $69.80 60%

If a patient presents with a streptococcus viridans infection, his doctor may prescribe oral penicillin taken four times daily. Why does he have to take the pen

Please help with this

Joe has read 70% of a book he has 3 more pages to finish how many pages are there in the book

Callie stopped for lunch when she was shopping at the mall. She bought two pieces of pizza for $2.95 each and a soda for $2.25. About how much did she spend?