Elements of Algebra

CHAP. IV. OF ALGEBRA. 87 $3a-2b)18a^2-8b^2(6a+4b$ $18a^2-12ab$ $12ab-8b^2$ $12ab-8b^2$ $0.$ $a+b)a^3+b^3(a^2-ab+b^2$ $a^3+a^2b$ $-a^2b+b^3$ $-a^2b-ab^2$ $ab^2+b^3$ $ab^2+b^3$ $0.$ $2a-b)8a^3-b^3(4a^2+2ab+b^2$ $8a^3-4a^2b$ $4a^2b-b^3$ $4a^2b-2ab^2$ $2ab^2-b^3$ $2ab^2-b^3$ $0.$ $a^2-2ab+b^2)a^4-4a^3b+6a^2b^2-4ab^3+b^4(a^2-2ab+b^2$ $a^4-2a^3b+a^2b^2$ $-2a^3b+5a^2b^2-4ab^3$ $-2a^3b+4a^2b^2-2ab^3$ $a^2b^2-2ab^3+b^4$ $a^2b^2-2ab^3+b^4$ $0.$