Question

Select the correct reasons for statements 1 and 3 to complete the proof.


Prove: 5x + 9 • x • 3 = 32x
1. 5x + 9 • x • 3 = 5x + 9 • 3 • x 1. ?
2. 5x + 9 • x • 3 = 5x + 27x 2. Multiplication
3. 5x + 9 • x • 3 = 32x 3. ?





A.


Associative Property of Addition, Addition


B.


Associative Property of Multiplication, Addition


C.


Commutative Property of Multiplication, Addition


D.


Commutative Property of Multiplication, Multiplication

@pgpilot326

Answer 1

i think it s b?

Answer 2

you really have no idea, huh?

Answer 3

i am not good at this type of things i am good at other algebra but not this

Answer 4

no i think it is d?

Answer 5

take time to learn it or it will haunt you forever. this property stuff seemed so silly when I was learning it back in the day and now that I've gone on to higher math I see how important these foundations are. you simply have no idea how valuable this knowledge can be, but it is.

Answer 6

look at the link that texaschic sent in the previous post. learn these properties... they really aren't that difficult at all!

Answer 7

ok i will

Answer 8

is it d?