mrredneckrenfrov8t3x mrredneckrenfrov8t3x

20-09-2017
Mathematics

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Which expression is a factor of 18x^2-15x+2 a) 3x-2 B) 9x-1 C) x-2 D)2x-1

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kaitlyngauthieovxmh7 kaitlyngauthieovxmh7

20-09-2017

A) 3x-2 is the answer

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Аноним Аноним

20-09-2017

= 18x^2 - 12x - 3x + 2

= 6x(3x - 2) - 1(3x - 2)

= (6x - 1)(3x - 2)

The answer is a) 3x - 2

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