Ms. Peterson wrote the expression below on the chalkboard for her class. she asked the students to write an equivalent expressio

Question

3 years ago

11

Ms. Peterson wrote the expression below on the chalkboard for her class. she asked the students to write an equivalent expressio

n using no more than one set of parentheses.
4(3x + 5y + 2z) + 3(x-z)

A. Tom Wrote 12x + 20y + 8z
B. Jenna Wrote 5(3x + 4y + z)
C. Chris Wrote 15x + 20y - 5z

Mathematics

2 answers:

Shalnov [3] · Answer 1 · 2022-09-10T05:43:46+03:00

Jenna is correct

when the brackets are expanded you get
12x + 20y + 8z + 3x - 3z

simplify that to get 15x + 20y + 5z

when factorised, you find a HCF (highest common factor) in this case 5, and divide them all by it. 5 is then placed outside the bracket to create Jennas answer of
5(3x + 4y +z)

galben [10] · Answer 2 · 2022-09-10T04:32:02+03:00

galben [10]3 years ago

3 0

The answer will be B. Jenna Wrote 5(3x + 4y + z). Hope it help!