Mathematics, 02.07.2019 02:30 rurbanok12

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)

My question is, with this type of question, are you supposed to use subtraction instead of addition?

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