Solved on Nov 06, 2023

Find the expression that represents 30+9k-30+9k as a product with -3 as one of the factors.

STEP 1

Assumptions1. We are given the expression 30+9k-30+9k. . We want to express this as a product, with -3 as one of the factors.
3. The options are 3(103k)-3(-10-3k), 3(10+3k)-3(-10+3k), 3(103k)-3(10-3k), and 3(10+3k)-3(10+3k).

STEP 2

We need to distribute the - in each of the options to see which one gives us the original expression 30+9k-30+9k.

STEP 3

istribute the -3 in the first option.
3(103k)=30+9k-3(-10-3k) =30 +9k

STEP 4

istribute the -3 in the second option.
3(10+3k)=309k-3(-10+3k) =30 -9k

STEP 5

istribute the -3 in the third option.
3(103k)=30+9k-3(10-3k) = -30 +9k

STEP 6

istribute the -3 in the fourth option.
3(10+3k)=309k-3(10+3k) = -30 -9k

STEP 7

Compare the results from steps3-6 with the original expression 30+9k-30+9k. We see that the third option 3(103k)-3(10-3k) gives us the original expression.
So, the expression 30+9k-30+9k can be shown as a product, with -3 as one of the factors, as 3(103k)-3(10-3k).

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