Select the two values of x that are roots of the given polynomial below: 3x^2+20x-7

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asked May 16, 2017 154k views

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Peter Rakmanyi · Answer 1 · 2017-05-21T04:59:45+0000

your roots are (1/3) and -7, and i found them through trial and error because, mentally, i know that the coefficient 3 and the constant 7 will get me to 21, which is close to the middle term, 20.

Select the two values of x that are roots of the given polynomial below: 3x^2+20x-7

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