## Stephen2012 Group Title 8r^2-13r+5=(4r+?)(2r+?) one year ago one year ago

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1. Stephen2012 Group Title

Can someone help

2. znimon Group Title

$ax^2 + bx + c, (-b \pm \sqrt{b^2-4ac} )/2a$

3. znimon Group Title

(x-1)(8x-5)

4. znimon Group Title

This turns out that the zeros aren't clean whole number so it is much better to use the quadratic formula in these sort of cases. Zeros = 5/8 and 1