Question

7x^3-5x^2-63x+45=0 pliiiiiiiiiiiiiiz

Answer 1

7x^3-5x^2-63x+45=7x(x^2-9)-5(x^2-9)=(7x-5)(x^2-9)

Answer 2

можно так (7х-5)(х-3)(х+3)