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20-08-2021
Mathematics

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can u help me with all the questions

can u help me with all the questions class=

Respuesta :

safaa42 safaa42

20-08-2021

Answer:

b) -4xy

c) a³+b³

d)4x²+16xy+16y²+3x+4y

Step-by-step explanation:

b)expand each square bracket and minus them

c)times everything in the second bracket by a and then b

d)expand the first square bracket and add it to the other bracket

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