Ms. Peterson wrote the expression below on the chalkboard for her class. She asked the students to write an equivalent expression using no more than one set of parentheses.
4(3x+5y+2z)+3(x−z)
• Tom wrote 12x+20y+8z
• Jenna wrote 5(3x+4y+z)
• Chris wrote 15x+20y−5z
Which, if any, of the three students wrote an expression that is equivalent to Ms. Peterson’s expression?
Answer _______ wrote an equivalent expression.
Show your work to prove which expressions, if any, are equivalent.