Respuesta :

minid2016

Answer:

-x2+4

Step-by-step explanation:

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

=4-2x+2x-x2

=4-x2

X2 here is x square

Answer:

−x²+4

Explanation:

(2+x)(2−x)

=(2+x)(2+−x)

=(2)(2)+(2)(−x)+(x)(2)+(x)(−x)

=4−2x+2x−x2

−x²+4

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