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adelina 88 [10]
2 years ago
11

8m^3 - 28m^2 + 6m - 21. You solve by factoring by grouping!!! quick please

Mathematics
1 answer:
Leya [2.2K]2 years ago
4 0

Answer:

(2m - 7)(4 {m}^{2}  + 3)

Step-by-step explanation:

8m^3 - 28m^2 + 6m - 21 \\  = 4 {m}^{2} (2 {m}  - 7) + 3(2m - 7) \\  = (2m - 7)(4 {m}^{2}  + 3)

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