9. On Johnny math test, he was asked to re-write the expression –3(x + 10) by using the distributive property. Below is Johnny’s answe

Question

9. On Johnny math test, he was asked to re-write the expression –3(x + 10) by using the distributive
property. Below is Johnny’s answer. Is his answer correct? Explain.

Original Expression:
-3(x + 10)

Johnny’s answer: 3x – 30

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Dâu 5 years 2021-08-18T21:03:03+00:00 1 Answers 11 views 0

Answers ( )

    0
    2021-08-18T21:04:27+00:00

    Answer:

    No, he is incorrect because he forgot to multiple the negative by the x, and only multiplied 3 by x instead of -3 by x.

    Step-by-step explanation:

    The correct re-write of this expression is:

    -3x – 30

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