Question

OK, so these are really throwing me... HELP?
I'll ATTACH them....

Answer 1

can't read docx

Answer 2

What program do you have?

Answer 3

here's a pdf???

Answer 4

Q1
Expression 1 is (3d)^3*d = 27d^3 + d = 27d^4
Expression 2 is (3d^2)^2 = 3d^2*3d^2 = 9d^4

Can u do it now?

Answer 5

I don't get it... :?0 Sorry... can you explain it?

Answer 6

Q2
Expression 1 is 3x^2*3x^2 = 9x^4
Expression 2 is 3x^3*3x^3*x^2 = 9x^8

Answer 7

What is it u don't get in Q1?

Answer 8

I don't get how you figure it out...

Answer 9

What, the question or the expansion?

Answer 10

both...

Answer 11

Take Q1 Expression 1

(3d)^3*d (three*d all cubed multiplied by d) = 27d^3 + d = 27d^4

What part of this do u not understand?

Answer 12

* d

Answer 13

3d^3 = 3d*3d*3d

Answer 14

Do u not understand this_

Answer 15

Okay, I got it now... My math instructor called me and explained to me.