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Binomial

Simplify 2x...

Question

Simplify $(2 x + 1) (x - 3)$ .

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Solution

$(2 x + 1) (x - 3)$
$= (2 x . x + x) - 3 (2 x + 1)$
$= 2 x^{2} + x - 6 x - 3$
$= 2 x^{2} - 5 x - 3$

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