Question

Multi
Expand.
If necessary, combine like terms.
(2 + x)(2-x)​

Answer 1

-x2+4

Step-by-step explanation:

=2(2-x) + x(2-x)

=4-2x+2x-x2

=4-x2

X2 here is x square

Answer 2

−x²+4

Step-by-step explanation:

(2+x)(2−x)

=(2+x)(2+−x)

=(2)(2)+(2)(−x)+(x)(2)+(x)(−x)

=4−2x+2x−x2

−x²+4