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Factorization — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSFactorization1 Mark
MCQ
Tick $(\checkmark)$ the correct answer:
$(2x - 32x^3) = ?$
  • A
    $2(x - 4)(x + 4)$
  • B
    $2x(1 - 2x)^2$
  • C
    $2x(1 + 2x)^2$
  • ✓
    $2x(1 - 4x)(1 + 4x)$
✓

Answer

Correct option: D.
$2x(1 - 4x)(1 + 4x)$
D.  $2x(1 - 4x)(1 + 4x)$
Solution:
$2x - 32x^3 = 2x(1 - 16x^2)$
$= 2x{(1)^2 - (4x)^2}$
$= 2x(1 - 4x)(1 + 4x)$

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