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03-11-2017
Mathematics

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Which of the following is equivalent to (3x-1)(5x+4) ? Select all that apply.

15x^2+7x-4

15x^2-5x-4

3x(5x+4)-1(5x+4)

3x(5x+4)+1(5x+4)

Respuesta :

Аноним Аноним

03-11-2017

the answer is 15x^2+7x-4

because:

1) 15x^2+12x-5x-4
2) 15x^2+7x-4

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