Question

Simplify (-sqrtx-4)^2

Answer 1

Rewrite (−√x−4)2 as (−√x−4)(−√x−4).(−√x−4)(−√x−4)

Expand (−√x−4)(−√x−4) using the FOIL Method.

−√x(−√x)−√x⋅−4−4(−√x)−4⋅−4

Simplify and combine like terms.

Answer: x+8√x+16

Answer 2

GinxFrostbite

   GinxFrostbite Beginner  

Rewrite (−√x−4)2 as (−√x−4)(−√x−4).(−√x−4)(−√x−4)

Expand (−√x−4)(−√x−4) using the FOIL Method.

−√x(−√x)−√x⋅−4−4(−√x)−4−4  

Simplify and combine like terms.

Answer: x+8√x+16