document.write( "Question 1083439: Simplify the expression -4x2(3x − 7).
\n" ); document.write( "-12x3 + 28
\n" ); document.write( "-12x3 + 28x2
\n" ); document.write( "-12x3 − 28
\n" ); document.write( "-12x3 − 28x2
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Algebra.Com's Answer #697444 by jim_thompson5910(35256)\"\" \"About 
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Answer: Choice B) -12x^3 + 28x^2
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\n" ); document.write( "Note: x^2 means \"x squared\" and x^3 means \"x cubed\"
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\n" ); document.write( "\n" ); document.write( "Explanation:\r
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\n" ); document.write( "\n" ); document.write( "Use the distribution rule to get
\n" ); document.write( "-4x^2*(3x - 7)
\n" ); document.write( "-4x^2*(3x) - 4x^2*(-7)
\n" ); document.write( "-12x^3 + 28x^2
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