tolong jawab, bentuk sederhana dari...

{ (x+5)(x-5) / (x+3)(x-3) / 2(5-x) / (x+3) (x+2)
= {x+5)(x-5) / (x+3)(x-3) / -2(x-5) / (x+3)(x+2).
= ( x + 5 ) / (x -3 ) = -2 / (x + 2)
( x + 5 ) (x + 2 ) = -2 ( x ,- 3 )
x^2 + 20x + 10 = -2x + 6
x^2 + 22x +4 ,= 0
=