Question

Add:
(i) 5a+ 3b, a−2b and 3a+ 5b;
(ii) $x^{3} -x^{2} y+5xy^{2} +y, -x^{3} -9xy^{2} +y and 3x^{2} y +9xy^{2}$

Answer 1

(i) = 5a+3v+a-2b+3a+5b
= 9a+6b
= 3(3a+2b)