因式分解:(x-5)(x+5)-(x+1)(x+5)

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因式分解:(x-5)(x+5)-(x+1)(x+5)
x){:{=O;^,_~, ]SM mSM] ia$PΆ3*(+ VB4A-+.H̳iඊT4x

因式分解:(x-5)(x+5)-(x+1)(x+5)
因式分解:(x-5)(x+5)-(x+1)(x+5)

因式分解:(x-5)(x+5)-(x+1)(x+5)
原式= (x+5)[(x-5)-(x+1)]
=(x+5)(x-5-x-1)
=-6(x+5)

(x-5)(x+5)-(x+1)(x+5)
=(x+5)(x-5-x-1)
=-6(x+5)

原式= (x+5)[(x-5)-(x+1)]
=(x+5)(x-5-x-1)
=-6(x+5)