Respuesta :

I think it's -11a + 17
a22a−3a divided by 29a+18(a25a−6a2+9a+8)=21a370a27a+84 divide by a455a2+90a+144=7(a+1)(a−3)(3a−4) divide by (a+1)(a−3)(a−6)(a+8)answer =21a−28 divided by a2+2a48