document.write( "Question 840468: expand 5z(3z-1) \n" ); document.write( "
Algebra.Com's Answer #506179 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Use the distributive property a*(b+c) = a*b + a*c to get\r
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\n" ); document.write( "\n" ); document.write( "5z(3z-1)\r
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\n" ); document.write( "\n" ); document.write( "5z*(3z) + 5*(-1)\r
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\n" ); document.write( "\n" ); document.write( "15z^2 + (-5)\r
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\n" ); document.write( "\n" ); document.write( "15z^2 - 5
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