alright so I got the answer from here but I still can't figure out how we got 12p? can somebody explain step by step pls​

Alright So I Got The Answer From Here But I Still Cant Figure Out How We Got 12p Can Somebody Explain Step By Step Pls class=

Answer :

There's no 12p in the simplification

[tex](2p+3)^{2} =(2p)^{2} +3^{2} = 4p^{2} +9[/tex]

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