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
Last question

Answer 1

C.
Commutative Property of Multiplication, Addition

Answer 2

Okay thank you ^^!

Answer 3

9*x*3 became 9*3*x. a*b=b*a, 4*2=8

Answer 4

Anytime :)

Answer 5

Yeah I see it now ^^

Answer 6

Thanks :)

Answer 7

Np