Please help me!!! I dont understand.
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)

Question

Please help me!!! I dont understand. 
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)

anonymous · Answer

x(x-4) + 4(x-4) and  x(x+4)+4(x+4) now multiply through

anonymous · Answer

I got the answers x^2-x^2+8x+16 But i dont get how to compare and contast

anonymous · Answer

x^2-16

x^2+8x+16

anonymous · Answer

x^2-4x + 4x-16 and x^2+4x+4x+16
x^2-16 and x^2 +8x + 16
i fink u shd compare the number 16 with which its product would give u 4 and when 4 is added to will give 8. not reali sure though