Answer :
Step-by-step explanation:
(7m²-3m-7)(m²-7m-6) =
7m⁴-49m³-42m²-3m³+21m²+18m
-7m²+49m+42
= 7m⁴-52m³-28m²+67m+42
Answer:
[tex]→(7 {m}^{2} - 3m - 7)( {m}^{2} - 7m - 6) \\ = 7 {m}^{4} - 49 {m}^{3} - 42 {m}^{2} - 3 {m}^{3} + 21 {m}^{2} + 18m - 7 {m}^{2} + 49m + 42 \\ = \boxed{ 7 {m}^{4} - 52 {m}^{3} - 28 {m}^{2} +6 7m + 42}✓[/tex]
- 7m⁴-52m³-28m²+67m+42 is the right answer.