ME AJUDEM PF URGENTE EMPLOROO Fatore as Expressões : a) 7bx+x+7by+y = b) 2a²+4ab+ba+2b² = c) x²-25 = d) 81x²-1 = e) a²64b² =?
Update:
ME AJUDEM PF URGENTE EMPLOROO Fatore as Expressões :
a) 7bx+x+7by+y =
b) 2a²+4ab+ba+2b² =
c) x²-25 =
d) 81x²-1 =
e) a²64b² =
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Ola
a) 7bx+x+7by+y = (x + y)*(7b + 1)
b) 2a²+4ab+ba+2b² = (a + 2b)*(2a + b)
c) x²-25 = (x + 5)*(x - 5)
d) 81x²-1 = (x - 1/9)*(x + 1/9)
e) a²64b² = 8ab*8ab
pronto