Cho các đa thức sau: P(x) = x3 + 3x2 + 3x - 2 và a) Tính P(x) + Q(x)
b) Tính P(x) - Q(x)
c) Tìm nghiệm của đa thức H(x) biết H(x) = P(x) + Q(x).

Which of these marketing methods henry ford sell the model t to many people who had never before owned a car? a) offering free maintenance on cars for a full year b) airing television commercials with memorable slogans c) advertising with the new communication outlets such as radio d) offering many different colors and models for buyers to choose from

What was the difference between bombing military targets in the united kingdom, and bombing the city of london? a. bombing a city kills lots of innocent civilians, bombing a military target doesn't b. bombing military targets didn't force the u. k. to surrender, but bombing london did c. military targets were bombed by japan, while london was bombed by the nazis d. london was bombed before the u. s. entered the war; military targets were bombed afterward

What was the name of the totalitarian party in italy? a. nazib. communistsc. fascists d. socialist