Respuesta :

skjordan

Answer:

a^2+2ab+b^2

Step-by-step explanation:

FOIL method is First variables Outer variables Inner variables Last variables

(a+b)^2 rewritten is (a+b)(a+b)

F - a*a

O - a*b

I - a*b

L - b*b

a*a+a*b+a*b+b*b

simplify

a^2+2ab+b^2

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