Question

3. Determine the product of the following.
(i) (x - y) and x + y
(ii) (x - y) and (x - y)
(iii) (x2 + y2 + 2xy) and x - y
(iv) (x - 5xy +9y?) and x – 2y?
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Answer 1

(i)x^2-y^2

(ii)x^2+y^2-2xy

(iii)x^3-y^3+x^2y-xy^2

(iv) x^w-5x^2y+7xy+10xy^2-18y^2