Question

(x-3)la puterea a doua,de inmultit la (x+3) la puterea a doua

Answer 1

(x-3)²*(x+3)²=(x²-3²)²=(x²-9)²=x⁴-18x²+81

Answer 2

 $(x-3)^2\cdot(x+3)^2= (x^2 - 9)^2 =x^4-2\cdot{x^2}\cdot9+9^2=x^4-18x^2+81$