Question

-(x+2)(x-5)+(x-2)(x+5)

Answer 1

6x

Change the negative values to 0

(0-((x+2)•(x-5)))+(x-2)•(x+5)

Simplify

(0-(x+2)•(x-5))+(x-2)•(x+5)

= 6x

Answer 2

6x

All you need to do is multiply and add them up.