How do you multiply $(1 + 4 x) (1 - 2 x)$ $(1+4x)(1-2x)$ ?

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How do you multiply $(1 + 4 x) (1 - 2 x)$ $(1+4x)(1-2x)$ ?

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Answer 1 · 2016-08-29T01:14:57

$- 8 x^{2} + 2 x + 1$ $-8x^2+2x+1$

Explanation:

$(1 + 4 x) (1 - 2 x)$ $(1+4x)(1-2x)$
$= 1 - 2 x + 4 x - 8 x^{2}$ $=1-2x+4x-8x^2$
$= 1 + 2 x - 8 x^{2}$ $=1+2x-8x^2$
$= - 8 x^{2} + 2 x + 1$ $=-8x^2+2x+1$

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How do you multiply $(1 + 4 x) (1 - 2 x)$ $(1+4x)(1-2x)$ ?

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How do you multiply $(1 + 4 x) (1 - 2 x)$ $(1+4x)(1-2x)$ ?