Question 509106
(x+6)^2

1st Method.
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Use formula (a+b)^2=a^2+2ab+b^2
(x+6)^2=x^2+2(x)(6)+(6)^2
(x+6)^2=x^2+12x+36



2nd Method.
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(x+6)^2=(x+6)(x+6)
(x+6)^2=x(x+6)+6(x+6)
(x+6)^2=x^2+6x+6x+36
(x+6)^2=x^2+12x+36