把10a2(x+y)2-5a(x+y)3因式分解时,应提取的公因式是(  ) A.5a B.(x+y)2 C.5(x+y)2 D.5a(x+y)2

问题描述:

把10a2(x+y)2-5a(x+y)3因式分解时,应提取的公因式是(  )
A. 5a
B. (x+y)2
C. 5(x+y)2
D. 5a(x+y)2

10a2(x+y)2-5a(x+y)3因式分解时,公因式是5a(x+y)2
故选D