Question

me ajudem pelo amor de Deus ​

Answer 1

Resposta:

$a)\\ (3m+5)^2=\\ \\ (3m)^2+2.(3m)(5)+5^2=\\ \\ 9m^2+30m+25$

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$b)\\ (4p-r^3)^2=\\ \\ (4p)^2-2.(4p)(r^3)+(r^3)^2=\\ \\ 16p^2-8pr^3+r^6$

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$c)\\ (y+1)^3=\\ \\ y^3-3(y^2)(1)+3.(y)(1^2)-1^3=\\ \\ y^3-3y^2+3y-1$