1.(m²-2m)²-1=(m²-2m-1)*(m²-2m+1)=(m²-2m-1)*(m-1)². m²-2m-1)*(m-1)²
2. 16-(m²+4m)²=4²-(m²+4m)²=(4-(m²+4m))(4+(m²+4m))=(4-m²-4m)(4+m²+4m)
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1.(m²-2m)²-1=(m²-2m-1)*(m²-2m+1)=(m²-2m-1)*(m-1)². m²-2m-1)*(m-1)²
2. 16-(m²+4m)²=4²-(m²+4m)²=(4-(m²+4m))(4+(m²+4m))=(4-m²-4m)(4+m²+4m)