katiekern9445 katiekern9445

22-08-2018
Mathematics

contestada

Simplify.
(2a^2-9b)(4a+b)

A. 8a^3+36a^2b-2ab-9b^2
B. 8a^3+2a^2b-36ab-9b^2
C. 8a^3-34ab-9b^2
D. 8a^3-9b^2

Respuesta :

mcvbookworm mcvbookworm

23-08-2018

B.)8a^3+2a^2b-36ab-9b^2

(2a^2-9b)(4a+b)

Use the distributive property of multiplication.

4a(2a^2-9b)+b(2a^2-9b)

Expand.

8a^3-36ab+2a^2b-9b^2

Put in neater order, so that powers are consecutive (i.e putting x^2 after x^3)

8a^3+2a^2b-36ab-9b^2

Answer Link

Otras preguntas

In a survey at a shoe store, 200 customers were asked whether they have running shoes or basketball shoes. The results are in the relative frequency table. Tota

Lacey has a pet fish in a fish tank. The bottom of the tank has dimensions of 75 cm and 35 cm. She noticed that the water in the tank is 2 cm below the minimum

find the inverse of x=8^y

Anybody help me please!!!!!!!!!!

27) (+9) + (+3) 29) (+8) + (+6) =

Based on Document 6, what was a change that Latin America experienced due to Christianity?

1) Use the table below to find the solution to f(x) = g(x). Х -3 -2 -1 f(x) =3(x+1) -6 -3 0 3 6 9 12 g(x) = 2(2x+1) -10 -6 -2 2 6 WNHO 10 14

help pls bro plsssssssssss its past due

How can you show respect to a fellow employee? a. Do their work for them b. Buy them lunch c. Learn their names d. Get to work before them Please select the bes

The height of a tree is 4 m.Another tree is 30% shorter.Find the height of the shorter tree in metres and centimetres.