jonnalynmias jonnalynmias 24-10-2022 Mathematics contestada 15-17) (hg)(x)=h(x) g(x) (hg)(x) = (x²-25)(x²+x-30) 18-20) (h/g)(x)=h(x)/g(x) = = x²-25 x²+x-30 (x+5)( (x+6)( (h/g)(x)= ) 21-23) (f/g)(x) = f(x)/g(x) x²-9x+20 = x²+x-30 (x-5)( ( + X( (f/g)(x)= -