document.write( "Question 698682: How do you factor the trinomial: 3(x+2)^2+12(x+2)-15
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Algebra.Com's Answer #430946 by edjones(8007)\"\" \"About 
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3(x+2)^2+12(x+2)-15
\n" ); document.write( "=3(x^2+4x+4)+12x+24-15
\n" ); document.write( "=3x^2+12x+12+12x+9
\n" ); document.write( "=3x^2+24x+21
\n" ); document.write( "=3(x^2+8x+7)
\n" ); document.write( "=3(x+1)(x+7)
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