我要因式分解3題的容案，要正確的和因式分解
1.ax-ay-by-bx
2.2hk-2kt+3h-3t
3.3mn-mp+6nq-pq
恆等式與因式分解
2014-10-29 5:12 am
回答 (1)
2014-10-29 6:27 am
✔ 最佳答案
1.若題目是
ax - ay + by - bx
= a(x - y) - b(x - y)
= (a - b)(x - y)
若題目是
ax - ay - by + bx
= a(x - y) + b(x - y)
= (a + b)(x - y)
2.
2hk - 2kt + 3h - 3t
= 2k(h - t) + 3(h - t)
= (2k + 3)(h - t)
3.
3mn - mp + 6nq - 2pq
= m(3n - p) + 2q(3n - p)
= (m + 2q)(3n - p)
收錄日期: 2021-04-15 17:11:50
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20141028000051KK00116