a-(a-(a-4)) 7x*((y-x)+3y) 4y-(3y+(2y(y+1))) 5c-(2c-((b-c)-2b)). Created by vannul. algebra-ru

a-(a-(a-4)) 7x*((y-x)+3y) 4y-(3y+(2y(y+1))) 5c-(2c-((b-c)-2b))...

August 2022 1 2 Report

a-(a-(a-4))
7x*((y-x)+3y)
4y-(3y+(2y(y+1)))
5c-(2c-((b-c)-2b))

Answers & Comments

Flash3146 A-(a-(a-4))=a-(a-a+4)=a-a+a-4=a-4
7x*((y-x)+3y)=7x(4y-x)=28xy-7x³
4y-(3y+(2y(y+1)))=4y-(3y+2y²+2y)=
4y-3y-2y²-2y=-2y²-y
5c-(2c-((b-c)-2b))=5c-(2c-b+c-2b)=
5c-2c+b-c+2b=2c+3b

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