Tick (✓) the correct answer:

Question:

Tick (✓) the correct answer:

(2x − 32x3) = ?

(a) 2(x − 4)(x + 4)

(b) 2x(1 − 2x)2

(c) 2x(1 + 2x)2

(d) 2x(1 − 4x)(1 + 4x)

Solution:

(d) 2x(1 − 4x)(1 + 4x)

$\left(2 x-32 x^{3}\right)$

$=2 x\left(1-16 x^{2}\right)$

$=2 x(1-4 x)(1+4 x)$

 

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