Find each of the following products:
(x3−2x2+5)×(4x−1)
(x3−2x2+5)×(4x−1)=(x3−2x2+5)×4x+(x3−2x2+5)×(−1)=4x4−8x3+20x−x3+2x2−5=4x4−9x3+2x2+20x−5
(x3−5x2+3x+1)×(x2−3)
(x3−y3)×(x2+y2)
For each pair of polynomials p(x) and q(x) given below find the degree of p(x) + q(x) and p(x)q(x).
(i)
(ii)
(iii)
(iv)