Question

Find the two products below. Compare and contrast, in complete sentences, the similarities and differences of the two.

(x + 4)(x - 4) and (x + 4)(x + 4)

Answer 1

#first diff
\[\huge\rm a^2 -b^2 = (a+b)(a-b)\]
and \[\huge\rm (a+b)^2 = a^2 +2ab+b^2\]

Answer 2

a^2 -b^2 is a difference of square method which you can only apply if
there is negative sign

Answer 3

ok thanks

Answer 4

np