document.write( "Question 78791: 3(x+2)+5x \n" ); document.write( "

Algebra.Com's Answer #56537 by mathdoc314(58) $\"\"$ $\"About$

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\n" ); document.write( "Distributive Law: a(b+c) = ab + ac
\n" ); document.write( "Associative Law: (a+b)+c = a+(b+c)
\n" ); document.write( "Commutative Law: a*b = b*a\r
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document.write( "3(x+2)+5x = (3x + 6) + 5x (distributive law)\r\n" );
document.write( "          = (3x + 5x) + 6 (associative law)\r\n" );
document.write( "          = (3+5)x + 6    (distributive law)\r\n" );
document.write( "          = 8x\r\n" );
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\n" ); document.write( "\n" ); document.write( "I don't see that the commutative law is used here. \n" ); document.write( "

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