This is the fourth part (questions 31-40) of the solutions of the Grade 8 MTAP 2015 Elimination Questions. You can read the solutions for questions **1-10, ** **11-20, **and** 21 – 30. **

Although these solutions were carefully checked, the solver is only human. Kindly comment in the box below if you see any errors.

**31.)** Factor completely: .

**Solution**

Rearranging the terms, we obtain

.

Factoring by grouping, we have

.

**Answer:** (a + b)(a – b)(c + d)(c – d) Continue reading “Grade 8 MTAP 2015 Elimination Questions with Solutions – Part 4”