Question

3. Simplify 3n(4n^2 + 5n)

Answer 1

Multiply each term
\(3n(4n^2 + 5n) \)
\(3n*4n^2 + 3n*5n\)
What do you get now?

Answer 2

can you give the answer please

Answer 3

No i cant give the Final answer you must try :)

Answer 4

7n^2+8n

Answer 5

You are multiplying 3n with 4n^2
\[3n \times 4n^2= 3\times 4 \times n \times n^2 =12 n^3\]
Note :\[\huge n^a \times n^b=n^{a+b}\]

Now can you do
3n*5n

Answer 6

12n^2 + 8n

Answer 7

What is \( 3n \times 5n\) ?
\( 3 \times 5 \times n \times n \)
Now can you multiply and tell me What you get?

Answer 8

15n^2

Answer 9

Right ! Now what's the final answer?

Answer 10

12n^3+15n^2

Answer 11

Yeah ! Good

Answer 12

thank you