(5x-x²)²-2(x²-5x)-24 因式分解

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(5x-x²)²-2(x²-5x)-24 因式分解

(5x-x²)²-2(x²-5x)-24 因式分解
(5x-x²)²-2(x²-5x)-24 因式分解

(5x-x²)²-2(x²-5x)-24 因式分解
(5x-x²)²-2(x²-5x)-24
=(5x-x²)²+2(5x-x²)-24
=[(5x-x²)+6][(5x-x²)-4]
=(x²-5x-6)(x²-5x+4)
=(x+1)(x-6)(x-1)(x-4)

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

(5x-x²)²-2(x²-5x)-24
=(x²-5x-6)(x²-5x+4)
=(x-2)(x-3)(x-4)(x-1)