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

Answer 1

A. 9x^2-16
B. 7x^3-3x^2+5x-8
C. 4x^2=20x+25
D. 15x^8-3x^5+10x^3-2
E. 8x^3+4x^2-10x-5

Answer 2

\[ax ^{2}+bx+c\]
now checkD= \[b ^{2}-4ac\]
if D\[\ge 0\] then its factories