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in Algebraic Expressions by (49.2k points)
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Factors of 3 m5  – 48m are

(a) 3m (m – 1) (m – 3) 

(b) 3m (m – 2) (m + 2) (m2 + 4) 

(c) 3m (m – 1) (m – 2) (m + 1) 

(d) m (m – 1) (m + 2) (m2 + 4)

1 Answer

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Best answer

(b) 3m (m + 2)(m - 2)(m2 + 4)

3m5 - 48m

= 3m (m4 - 16)

= 3m[(m2)2 - 42]

= 3m (m2 - 4)(m2 + 4)

= 3m (m + 2)(m - 2)(m2 + 4)

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