(x²+5x)²-2x²-10x-24
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(x²+5x)²-2x²-10x-24
(x²+5x)²-2x²-10x-24
(x²+5x)²-2x²-10x-24
原式=(x²+5x)²-2(x²+5x)+24
=(x²+5x+4)(x²+5x-6)
=(x+1)(x+4)(x+6)(x-1)
原式=(x²+5x)²-2(x²+5x)+24
=(x²+5x+4)(x²+5x-6)
=(x+1)(x+4)(x+6)(x-1)