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(x + 3)(7x^2 + 1)
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Earn +20 ptsQ: How do you factor 7x3 plus 21x2 plus x plus 3?
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How do you factor 21x2 plus 27x-30?
21x2 + 27x - 30 = 3*(7x2 + 9x - 10) = 3*(7x2 - 5x + 14x - 10) =3*[x*(7x - 5) + 2*(7x - 5)] = 3*(7x - 5)*(x + 2)
Is the prime factor 42 is 21x2 is correct?
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What is 3x 3-21x 2 plus 36x in factored form?
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