Question

6p(p+q)-4q(p+q)如何因式分解？

具体步骤？

Answer 1

6p(p+q)-4q(p+q)
=2(p+q)(3p-2q)

Answer 2

=6p^2+6pq-4pq-4q^2
=6p^2+2pq-4q^2
=2(3p^2+pq-2q^2)
=2(3p-2q)(p+q)

Answer 3

=2(p+q)(3p-2q)

追问

步骤？

追答

就一步，是提取公因式2(p+q)

Answer 4

2(3p-2q)(p+q)

追问

步骤？

追答

原式=(6p-4q)(p+q)=2(3p-2q)(p+q)