Question

Bentuk sederhana dari (x-y) ((x+y)[x(y-x)+x(x+y)])
a. x²-y²
b. (2x²-y²)
c. (x²-y²)(-2xy)
d. (x²-y²)(2xy)
NB : Tolong pakai caranya ya ^^

Answer 1

(x-y) ((x+y)[x(y-x)+x(x+y)])
=(x-y) ( (x+y)[xy-x kuadrat+x kuadrat+xy]
=(x-y) ((x+y)[xy+xy-x kuadrat+x kuadrat])
=(x-y) ((x+y)[2xy])
=(x-y) ((2x kuadrat+ 2 y kuadrat)
2 x pangkat 3+2 ypangkat 3...
maaf kalo salah,