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Which of the students used the identity property to simplify their expression? Select all that are true.

Student 1

Student 2

Student 3

None of the students


Student 1: 5 - 2(4 + 9) - 11

5 - 2(4) - 2(9) -11

5 - 8 - 18 -11

5 + (-8) + (-18) + (-11)

-3 + (-18) + (-11)

-21 + (-11)

-32


Student 2: -9 + (6 + 9) - 42

-9 + (9 + 6) - 42

(-9 + 9) + 6 - 42

0 + 6 - 42

0 + 6 - 16

0 + 6 + (-16)

6 + (-16)

-10


Student 3: -4(14) - 32 - 2 ∙ 0

-4(10 + 4) - 32 - 2 ∙ 0

-4(10) - 4(4) - 32 - 2 ∙ 0

-40 - 16 - 32 - 2 ∙ 0

-40 - 16 - 9 - 2 ∙ 0

-56 - 9 - 2 ∙ 0

-65 - 2 ∙ 0

-67 ∙ 0

0


Pls help me

1 Answer

3 votes

Answer:

student 1 answered and expressed the question

User Shakhmatov
by
7.9k points

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