Question

Which expression(s) below can best be factored by grouping?


There may be more than one correct answer. Be sure to select all that apply.

Which expression(s) below can best be factored by grouping?

Answer 1

for a quadratic
\[ax^2+bx+c=0\]
if a*c=d >0
then break b in two parts p,q
such that p+q=b and p*q=d
if d is negative then
p-q=b(assume p>q)
and p*-q=d

Answer 2

what