what is the answer to (5x+1)(x+2)=-1
expand it so the expression would equal 5x^2+11x+2=-1 move the negative one over by adding one to both sides5x^2+11x+3=0 then do the quadratic formulax=-b+/- (√(b^2-4ac))/2a where b = 11 a=5 and c=3