How do you FOIL (7-a)^{2}?

Leroy Little 2022-02-10 Answered
How do you FOIL (7a)2?
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Expert Answer

Finn Lucero
Answered 2022-02-11 Author has 17 answers
(7a)2=(7a)(7a)
F irst terms: 7×7=49
O utside terms: 7×(a)=(7a)
I nside terms: (a)×7=(7a)
L ast terms: (a)×(a)=a2
Sum of FOIL =4914a+a2
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