Question

8r^2-13r+5=(4r+?)(2r+?)

Answer 1

Can someone help

Answer 2

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

Answer 3

(x-1)(8x-5)

Answer 4

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