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How do you factor 7x3 plus 21x2 plus x plus 3?

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Anonymous

∙ 9y ago
Updated: 8/20/2019

(x + 3)(7x^2 + 1)

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Wiki User

∙ 9y ago
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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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The polynomial 7x3 + 6x2 - 2 has a degree of 3, making it cubic.


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