(1)2y(5-4y)+5y(7-2y)+54>9y(8-2y)怎么解啊(2)3x²-x(2x+3)=x(x-5)+3(2x+3)

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(1)2y(5-4y)+5y(7-2y)+54>9y(8-2y)怎么解啊(2)3x²-x(2x+3)=x(x-5)+3(2x+3)(1)2y(5-4y)+5y(7-2y)+54>9y(8-2

(1)2y(5-4y)+5y(7-2y)+54>9y(8-2y)怎么解啊(2)3x²-x(2x+3)=x(x-5)+3(2x+3)
(1)2y(5-4y)+5y(7-2y)+54>9y(8-2y)怎么解啊
(2)3x²-x(2x+3)=x(x-5)+3(2x+3)

(1)2y(5-4y)+5y(7-2y)+54>9y(8-2y)怎么解啊(2)3x²-x(2x+3)=x(x-5)+3(2x+3)
(1)2y(5-4y)+5y(7-2y)+54>9y(8-2y)
10y-8y²+35y-10y²+54>72y-18y²
45y-18y²+54>72y-18y²
72y-45y