547
1)-4(p²-2pq+q²)=-4(p-q)²
2)-a(25x²+10x+1)=-a(5x+1)²
3)x^4(x²+6xy+9y²)=x^4(x+3y)²
4)6ax²(9x²+6x+1)=6ax²(3x+1)²
548
1)2(x³-y³)=2(x-y)(x²+xy+y²)
2)5(a³+b³)=5(a+b)(a²-ab+b²)
3)-a(x³+y³)=-a(x+y)(x²-xy+y²)
4)2(8m³-1)=2(2m-1)(4m²+2m+1)
5)a(125+a³)=a(5+a)(25-5a+a²)
6)m^4(m³-1)=m^4(m-1)(m²+m+1)