1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
zubka84 [21]
2 years ago
5

Multiply the given polynomials. Answers should be simplified and written in standard form.

Mathematics
1 answer:
e-lub [12.9K]2 years ago
7 0

Answer:

a² - 5a - 36

Step-by-step explanation:

(a - 9)(a + 4)

each term in the second factor is multiplied by each term in the first factor, that is

a(a + 4) - 9(a + 4) ← distribute parenthesis

= a² + 4a - 9a - 36 ← collect like terms

= a² - 5a - 36

You might be interested in
Urgent Please Help Me!!!!!!!!!!!!
xz_007 [3.2K]

Answer:

If use the area of the frame the area of the photo will be included

Area of frame = (22 + 2 x) * (20 + 2 x) = A

440 + 2 x ( 20 + 22) + 4 x^2 = A

A = 4 x^2 + 84 X + 440

8 0
3 years ago
Which choice shows 1/4 of 8
yulyashka [42]

Answer:

there is no picture so I dont know what i have to do..

5 0
3 years ago
A number divided by six is twenty-one
sdas [7]

Answer:

126

Step-by-step explanation:

if you divide 126 by 6 you get 21

the way you get 126 is you times 6 by 21 (reverse operation) to get that unknown number which is 126 in this case

4 0
3 years ago
Read 2 more answers
Systems of equations substitution y=8 y=x+1
klemol [59]
(8) = x +1

same thing as 8 = 1x

divide both sides by 1 and x = 8 Y= 8
6 0
3 years ago
A news report says that 28%of high school students pack their lunch. Your high school has 600 students. How many students in you
Vesnalui [34]
Roughly 168

multiply 0.28 by 600 
5 0
3 years ago
Read 2 more answers
Other questions:
  • 9) There are 3 feet in 1
    10·1 answer
  • Write 2.31*10-^3 using scientific notation
    6·1 answer
  • The coordinates of the vertices of a quadrilateral are R(-1,3), S(3,3), T(5,-1), and U(-2,-1). Find the perimeter of the quadril
    7·1 answer
  • a shop owner buys 250 tee shirts for 6.50 each. he sells them for 11.00 each how much profit will he make?
    13·1 answer
  • If t=29.6 and r= 9.5, find R. Round to the nearest tenth.
    8·1 answer
  • Based on Max’s father estimate how many minutes will it take to build the box
    9·1 answer
  • Equal set is equivalent set but equivalent set not need equal set? why​
    9·1 answer
  • Mr. Porter's private plane takes 1 1/2 hours to travel from Greenlawn to Richville and back. How many trips can he make in 7 1/2
    11·1 answer
  • A phycologist is interested in determining the proportion of algae samples from a local rivulet that belong to a particular phyl
    6·1 answer
  • Please help me with this problem please?
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!