WAEC - Mathematics (2011 - No. 20)

Factorize the expression: am + bn - an - bm

(a - b)(m + n)

(a - b)(m - n)

(a + b)(m - n)

(a + b)(m + n)

解释

am + bn - an - bm

am - an - bm + bn

a(m - n) - b(m - n)

(a - b)(m - n)

评论 (0)

广告