document.write( "Question 910254: Please give me the written proof of (a+b)^3 \n" ); document.write( "

Algebra.Com's Answer #552342 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Proof of what?
\n" ); document.write( "Do you mean you want the expansion?
\n" ); document.write( " $\"%28a%2Bb%29%5E3=%28a%2Bb%29%5E2%28a%2Bb%29\"$
\n" ); document.write( " $\"%28a%2Bb%29%5E3=a%28a%2Bb%29%5E2%2Bb%28a%2Bb%29%5E2\"$
\n" ); document.write( "So,
\n" ); document.write( " $\"%28a%2Bb%29%5E2=%28a%2Bb%29%28a%2Bb%29\"$
\n" ); document.write( " $\"%28a%2Bb%29%5E2=a%28a%2Bb%29%2Bb%28a%2Bb%29\"$
\n" ); document.write( " $\"%28a%2Bb%29%5E2=%28a%5E2%2Bab%29%2B%28ab%2Bb%5E2%29\"$
\n" ); document.write( " $\"%28a%2Bb%29%5E2=a%5E2%2B2ab%2Bb%5E2\"$
\n" ); document.write( "So then,
\n" ); document.write( " $\"%28a%2Bb%29%5E3=a%28a%2Bb%29%5E2%2Bb%28a%2Bb%29%5E2\"$
\n" ); document.write( " $\"%28a%2Bb%29%5E3=a%28a%5E2%2B2ab%2Bb%5E2%29%2Bb%28a%5E2%2B2ab%2Bb%5E2%29\"$
\n" ); document.write( " $\"%28a%2Bb%29%5E3=%28a%5E3%2B2a%5E2b%2Bab%5E2%29%2B%28a%5E2b%2B2ab%5E2%2Bb%5E3%29\"$
\n" ); document.write( " $\"%28a%2Bb%29%5E3=a%5E3%2B3a%5E2b%2B3ab%5E2%2Bb%5E3\"$ \n" ); document.write( "

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