factorize
9m2 - 16m - 4
pls help
Answers
Answered by
1
Answer:
9m² - 16m - 4
= 3×3×m×m-2×2×2×2×m-2×2
Therefore, the factors of 9m²- 16m - 4 are 3×3×m×m-2×2×2×2×m-2×2
Answered by
2
Answer:
(9m+2)(m-2)
Step-by-step explanation:
9m² - 16m - 4
= 9m² - (18-2)m - 4
= 9m² - 18m + 2m - 4
= 9m(m-2) +2(m-2)
= (9m+2)(m-2)
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