关於数学因式分解(答得好追加5悬赏)16+2(a+b)^364p^3+q^3-4p-q
2019-05-05
关於数学因式分解(答得好追加5悬赏)
16+2(a+b)^3
64p^3+q^3-4p-q
优质解答
16+2(a+b)^3
=2[8+(a+b)^3]
=2(2+a+b)(2-2a-2b+a²+2ab+b²)
64p^3+q^3-4p-q
=(4p+q)(16p²-4qp+q²)-(4p+q)
=(4p+q)(16p²-4pq+q²-4p-q)
16+2(a+b)^3
=2[8+(a+b)^3]
=2(2+a+b)(2-2a-2b+a²+2ab+b²)
64p^3+q^3-4p-q
=(4p+q)(16p²-4qp+q²)-(4p+q)
=(4p+q)(16p²-4pq+q²-4p-q)