Ответ:
Объяснение:
B1)=0,2(y+8)·0,5(y³-125) / 0,2(y²+5y+25)·0,5(y²-64)=
(y+8)(y-5)(y²+5y+25) / (y²+5y+25)(y-8)(y+8)=(y-5)/(y+8).
B2=1/3(X²-3x+9)·12(6,25x²-1) /0,4(2,5x-1)·(x+3)(x²-3x+9)=
4·(2,5x-1)(2,5x+1) /0,4(2,5x-1)(x+3) =(25x+10) /(x+3).
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Answers & Comments
Ответ:
Объяснение:
B1)=0,2(y+8)·0,5(y³-125) / 0,2(y²+5y+25)·0,5(y²-64)=
(y+8)(y-5)(y²+5y+25) / (y²+5y+25)(y-8)(y+8)=(y-5)/(y+8).
B2=1/3(X²-3x+9)·12(6,25x²-1) /0,4(2,5x-1)·(x+3)(x²-3x+9)=
4·(2,5x-1)(2,5x+1) /0,4(2,5x-1)(x+3) =(25x+10) /(x+3).