chap 7 x & ÷ polynomials

Question 1

multiply polynomials

Answer 1

multiply the coefficients and then apply the exponents laws to the variable and its exponents. (add the exponents)
ie: (2x)(3x + 4)
(2 x 3x) + 4)
(6x2) 2x +4)
(6x2 + 8x)

Question 2

divide polynomials

Answer 2

divide the coefficients and then apply the exponent laws to the variable and its exponents (subtract the exponents)
ie: -10x2/2x
-5x