Question

3. Efectuar
(x-4)(x² + 4x+16) - (x-1)(x²+x+1)​

Answer 1

(x-4) (x²+4x+16) - (x-1) (x²+x+1)=

= x³+4x²+16x-4x²-16x-64- (x³+x²+x-x²-x-1)=

= x³-64-x³+1=

= -63