How do I solve (x+3)^2?

+1 vote
asked Jan 5, 2012 in Algebra by anonymous
    

1 Answer

0 votes
step 1: rewrite (x+3)^2  =
(x+3)*(x+3)

Use FOIL technique (first, outer, inner, last)
x*x + x * 3 + 3 *x + 3 * 3
x^2 + 3x + 3x + 9
x^2 + 6x + 9
answered Jan 5, 2012 by anonymous



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