Question

Find the product of the following pairs of polynomials:
(i) xy,0 (ii) x-y ,b (iii) (5 a+9 b),( 6a+3b)

Answer 1

Answer:

(i) xy×0=0

(ii) (x-y)×b=bx-by

(iii) (5a+9b)×(6a+3b)

=5a(6a+3b+9b(6a+3b)

=30a^2+15ab+54ab+27b^2

=30a^2+69ab+27b^2

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