Q : 3       Simplify.

                (ii)    (a^2+5)(b^3+3)+5

Answers (1)

This can be simplified as

(a^{2} + 5) X (b^{3} + 3) + 5 = (a^{2})(b^{3}) + (a^{2})(3) + (5)(b^{3}) + (5)(3) + 5
                                     =  a^{2}b^{3} + 3a^{2} + 5b^{3} + 15+5 
                                      = a^{2}b^{3} + 3a^{2} + 5b^{3} + 20

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