Question

Factor cd−4d−3c+12 by grouping

Answer 1

(c - 4)(d - 3)

Explanation:

cd - 4d - 3c + 12 ( factor the first/second and third/fourth terms )

= d(c - 4) - 3(c - 4) ← factor out common factor (c - 4)

= (c - 4)(d - 3)