p = [ -5 +/- sqrt(25+20) ]/2
p = -2.5 +/- .5 sqrt(45)
p - -2.5 +/- 1.5 sqrt(5)
solve using quadratic formula
p²+5p-5=0
3 answers
p=1.381
p=3.628
is what I came up with...
p=3.628
is what I came up with...
I don't think so but put your values back in and see if they work.