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zepelin [54]
2 years ago
11

Factor by grouping. 9c^3-12c^2+18c-24

Mathematics
1 answer:
xeze [42]2 years ago
8 0

Answer:

9c^3 - 12c^2 - 18c - 24= [3c^2 - 6][3c - 4]

Step-by-step explanation:

Given

9c^3 - 12c^2 - 18c - 24

Required

Factor

Group into 2

[9c^3 - 12c^2] - [18c + 24]

Factorize each group

3c^2[3c - 4] - 6[3c - 4]

Factor out 3c - 4

[3c^2 - 6][3c - 4]

Hence:

9c^3 - 12c^2 - 18c - 24= [3c^2 - 6][3c - 4]

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Find a unit vector that has the same direction as the vector a and the opposite direction of the vector
nasty-shy [4]
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a '= (1/17) * (15i - 8j)
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