Question

Срочно!!! Разложить на множители!
5x²-45=

Answer 1

5x²-45 = 5(x²-9) = 5(х-3)(х+3) 

Answer 2

....................
5x²-45=5*(x²-9)=5*(x-3)(x+3)

Answer 3

(x²-9)=?