The sum of the roots of the equation 4x^2\plus{}5\minus{}8x\equal{}0 is equal to:<spanclass=′latex−bold′>(A)</span>8<spanclass=′latex−bold′>(B)</span>−5<spanclass=′latex−bold′>(C)</span>−45<spanclass=′latex−bold′>(D)</span>−2<spanclass=′latex−bold′>(E)</span>None of these