How do you factor 5x2+−11x+−8?

1 Answer
Alan P.
Sep 28, 2015

5x2+−11x+−8x as no proper (Real-rational) factors

Explanation:

5,11,and8 have no common integer factors so the only other possibility is to factor the expression.

You could try to use the quadratic formula for roots but examining the discriminant (the √b2−4ac) gives √121−160=√−39 indicating that there are no Real roots.

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