Question

determine o polinomio que, subtraido do polinomio que subtraido 3a+5b-7c+5d, resulta em -5a+2b-3c+d

Answer 1

-5a+2b-3c+d-x=3a+5b-7c+5d
-x=3a+5b-7c+5d+5a-2b+3c-d
-x=8a+3b-4c+4d
x=-8a-3b+4c-4d