document.write( "Question 404498: Factor by grouping.
\n" ); document.write( "6x^3 + 7x^2 - 24x - 28 \n" ); document.write( "
Algebra.Com's Answer #285899 by nerdybill(7384)\"\" \"About 
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6x^3 + 7x^2 - 24x - 28
\n" ); document.write( "reordering:
\n" ); document.write( "6x^3 - 24x + 7x^2 - 28
\n" ); document.write( "group:
\n" ); document.write( "(6x^3 - 24x) + (7x^2 - 28)
\n" ); document.write( "6x(x^2 - 4) + 7(x^2 - 4)
\n" ); document.write( "(x^2 - 4)(6x + 7)
\n" ); document.write( "left term is \"difference of squares\":
\n" ); document.write( "(x^2 - 2^2)(6x + 7)
\n" ); document.write( "(x-2)(x+2)(6x + 7)\r
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