document.write( "Question 123641: Can someone help me solve this problem, please?
\n" ); document.write( "20x^3-28x^2+45x-63 Factor by grouping.
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Algebra.Com's Answer #90717 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
20x^3-28x^2+45x-63
\n" ); document.write( "=4x^2(5x-7)+9(5x-7)
\n" ); document.write( "=(4x^2+9)(5x-7)
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