因式分解下列各式.a²+1-2a.x²+4-4x.y²-y+¼.16m²+24m+9.
问题描述:
因式分解下列各式.a²+1-2a.x²+4-4x.y²-y+¼.16m²+24m+9.
﹙a-b﹚²-12c﹙a-b﹚+36c².9x⁴-6x²-1.10t+1+25t².
答
a²+1-2a=(a-1)²x²+4-4x=(x-2)²y²-y+¼=(y-1/2)²16m²+24m+9=(4m+3)²﹙a-b﹚²-12c﹙a-b﹚+36c²=(a-b-6c)²9x⁴-6x²-1=(3x²-...