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andreyandreev [35.5K]
3 years ago
14

PLEASE HELP!! You need to factor by grouping. Please explain the steps!

Mathematics
1 answer:
inysia [295]3 years ago
5 0

Answer:

3(k-4)(7k^2+5)

Step-by-step explanation:

1) Factor out GCF

3(7k^3-28k^2+5k-20)

2)Split into two

3) Factor

3*7k^2(k-4)+5(k-4)

3(k-4)(7k^2+5)

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<h2>Answer :</h2>

Let the number be x. Then according to the question,

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3 years ago
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