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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)
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Feb 23, 2018
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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)
Mathematics
middle-school
Anton Styagun
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the answer is 15x^2+7x-4
because:
1) 15x^2+12x-5x-4
2) 15x^2+7x-4
Carlo Bellettini
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Feb 27, 2018
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Carlo Bellettini
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