Question

11. Simplify :
(a) a(a+4)+3a(2a? –1+4a? +4 at a=-2
(b) 1562 (2–3a)+5a(5+4b), at a =0, b =-1.
(please solve it I have tried alout but answers not came .)​

Answer 1

Answer:

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Answer 2

please check the attachment .............it may help you.........