Question

Factor by grouping. Then supply the term that is missing below. 3mn+2m+12n+8=(m+4)(?+2)3mn2m12n8m42 The missing term ?= _____.

Answer 1

3mn + 2m + 12n + 8
= m(3n+2) + 4(3n+2)
= (m+4)(3n+2)

so the missing term is 3n