Question 105579
2p^2-p-15>0


By the quadratic formula,

{{{y>(1+-sqrt(1^2-4*2*(-15)))/(2*2)}}}
{{{y>(1+-sqrt(1+120))/(4)}}}
{{{y>(1+-sqrt(121))/(4)}}}
{{{y>(1+- 11)/(4)}}}
{{{y>12/4}}} or {{{y>-10/4}}}
{{{y>3}}} or {{{y>-5/2}}}


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