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wshemekia3oyliv4
27.09.2021 •
Mathematics
Justify each step. I really need some help with this!
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Ответ:
Step-by-step explanation:
first step: expand the brackets
next step: collect the liked term, a with a and b with b
third: factor the variables" a and b"
fourth: do subtraction and addition inside the brackets
until it become: a(4)+b(4)
finally: just multiply it(expand it)
Ответ: