1 27x3=13 3x3 #160; #160; #160; #160; #160; #160; #160; #160; #160; #160; #160; #160; #160; #160;=1 3x12+1 #215;3x+3x2 #160; ...

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Factorize:1-2...

Question

Factorize:
1 − 27x³

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Solution

$1 - 27 x^{3} = 1^{3} - {(3 x)}^{3} = (1 - 3 x) [1^{2} + 1 \times 3 x + {(3 x)}^{2}] = (1 - 3 x) (1 + 3 x + 9 x^{2})$

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