a.. Explain why the FOIL order cannot be used to multiply a binomial by

Thank you for the opportunity to help you with your question!

a) it can only be used for binomial values

b) (3x+2)^2=9x^2+12x+4 hence not equal=9x^2+4

Thanks so much! i was just wondering how you got to the final answer in b?

using identity ,square 3x then add to 3x*2*2 then add 2^2 hence you get

9x^2+12x+4

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