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Nostrana [21]
3 years ago
10

My question is, with this type of question, are you supposed to use subtraction instead of addition? Just asking because I had a

problem where it said 5(x+7) and my answer was 5x+35 *your writing equivalent expressions* and it used addition, which is why I added the sums of 5•x plus 5•7 which was 5x and 35. But I just wanna know if I use addition or subtraction for this problem, 3y(4-2y)

Mathematics
2 answers:
julia-pushkina [17]3 years ago
6 0

The answer to the one on the paper is -6y • (y - 2)

sergeinik [125]3 years ago
5 0

Im pretty sure you use addition? I may be wrong

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