Question

factorise :3x
$3x ^{2} + 5x - 2$
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Answer 1

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

$x= \frac {1}{3}$

And...

$x+2=0$

$x=-2$

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Answer 2

Answer:

3x²+5x-2

3x²+6x-x-2

3x(x+2)-1(x+2)

(3x-1)(x+2)