-a2b2+2a2b-a2用因式分解
问题描述:
-a2b2+2a2b-a2用因式分解
答
﹣a²b²+2a²b-a²
=﹣a²(b²-2b+1)
=﹣a²(b-1)²
-a2b2+2a2b-a2用因式分解
﹣a²b²+2a²b-a²
=﹣a²(b²-2b+1)
=﹣a²(b-1)²