document.write( "Question 47793: The problem is: -3a^2(5ab-3b+7a) I am not sure between two answers, which are:
\n" ); document.write( "-15a^3b+9a^2b-21a^3 or -36a^3+6a^2b
\n" ); document.write( "Also can you please tell me if these are correct answers:
\n" ); document.write( "(3x-12)(x-1)= 3x^2-15x+12
\n" ); document.write( "(8x+y)(8x-y)= 64x^2-y
\n" ); document.write( "(3x-12)^2= 9y^2-72y+144
\n" ); document.write( "Thank you so much for the help!!!
\n" ); document.write( "

Algebra.Com's Answer #31600 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
-3a^2(5ab-3b+7a) I am not sure between two answers, which are:
\n" ); document.write( "-15a^3b+9a^2b-21a^3 or -36a^3+6a^2b
\n" ); document.write( "The 1st is correct
\n" ); document.write( "--------------------------------
\n" ); document.write( "Also can you please tell me if these are correct answers:
\n" ); document.write( "(3x-12)(x-1)= 3x^2-15x+12
\n" ); document.write( "Correct
\n" ); document.write( "-------------------------
\n" ); document.write( "(8x+y)(8x-y)= 64x^2-y
\n" ); document.write( "No: 64x^2-y^2
\n" ); document.write( "--------------------------
\n" ); document.write( "(3x-12)^2= 9y^2-72y+144
\n" ); document.write( "Correct
\n" ); document.write( "------------------
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
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