(3 + A + B) Squared

(3 + a + b) squared

Answer:

(3+a+b)²

=(3+a+b)(3+a+b)

=(3)(3)+(3)(a)+(3)(b)+(a)(3)+(a)(a)+(a)(b)+(b)(3)+(b)(a)+(b)(b)

=9+3a+3b+3a+a²+ab+3b+ab+b³

=a²+2ab+b²+6a+6b+9

#JuneChallenge


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