FACTOR THE FOLLOWING USING DOTS
1. 169a2-b²c²
2. 19x²-81
3. 81m²-49n2p2
4. 0.16b²-0.09c²
5. 1.21c4-169d2
(need na pls)
troll = report
Answer (1)
Step-by-step explanation:NASA IMAGE UNG ANSWER. Hope it helps.
