document.write( "Question 482922: I need some help with this problem....\r
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\n" ); document.write( "\n" ); document.write( "Factor by grouping\r
\n" ); document.write( "\n" ); document.write( "21x^3 - 15x^2 + 56x-40=\r
\n" ); document.write( "\n" ); document.write( "and this one please...\r
\n" ); document.write( "\n" ); document.write( "x^3 +4x^2-2x-8=\r
\n" ); document.write( "\n" ); document.write( "thanks for all your help...I am just stuck on these few problems...
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Algebra.Com's Answer #330491 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Factor by grouping
\n" ); document.write( "21x^3 - 15x^2 + 56x-40
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\n" ); document.write( "3x^2(7x-5) + 8(7x-5)
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\n" ); document.write( "= (7x-5)(3x^2+8)
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\n" ); document.write( "and this one please...
\n" ); document.write( "x^3 +4x^2-2x-8
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\n" ); document.write( "x^2(x+4)-2(x+4)
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\n" ); document.write( "(x+4)(x^2-2)
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\n" ); document.write( "cheers,
\n" ); document.write( "Stan H.
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