1.

a) What should be subtracted from 3x2−4y2+5xy+20 to obtain −x2−y2+6xy+20? b) Find the final expression when the algebraic expression x2+2xy+y2 is multiplied by xy. [4 MARKS]

Answer» a) What should be subtracted from 3x24y2+5xy+20 to obtain x2y2+6xy+20?
b) Find the final expression when the algebraic expression x2+2xy+y2 is multiplied by xy. [4 MARKS]


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