Question

(2a – 3b)(5b + 4a)=?​

Answer 1

Step-by-step explanation:

given

2a – 3b)(5b + 4a)=?

= 2a (5b + 4a) -3b(5b + 4a)

= 10ab+8a^2-15b^2-12ab

= 8a^2-15b^2+10ab-12ab

=8a^2-15b^2-2ab

Answer 2

The solution is in the attachment.

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