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Find the product 24x2 (1 – 2x) and evaluate it for x = 2.
Class: 9

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107

–288

250

820

answer is B.

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Detailed Solution

⇒ 24x2 (1 – 2x)
⇒ (24x2 × 1) – (24x2 × 2x) ⇒ 24x2 – 48x3, then put x = 2
⇒ 24(2)2 – 48(2)3
⇒ 96 – 384 = –288

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