1.) 49pm² - 7pm⁴
7pm²(7 - m²)
2.) -27m⁴ + 3m² - 9mnk
3m(9m³ + m - 3nk)
3.) 13b² - 11a²b - 12ab
b(13b - 11a² - 12a)
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Answers & Comments
1.) 49pm² - 7pm⁴
7pm²(7 - m²)
2.) -27m⁴ + 3m² - 9mnk
3m(9m³ + m - 3nk)
3.) 13b² - 11a²b - 12ab
b(13b - 11a² - 12a)