document.write( "Question 2628: How do you factor this expression 4x^2+12x+9? \n" ); document.write( "
Algebra.Com's Answer #1147 by kiru_khandelwal(79)\"\" \"About 
You can put this solution on YOUR website!
4x^2 + 12x + 9 = 0
\n" ); document.write( "=> 4x^2 + 6x + 6x + 9 =0
\n" ); document.write( "=> 2x(2x+3) + 3(2x+3) =0
\n" ); document.write( "=>(2x+3)(2x+3) = 0
\n" ); document.write( "=> 2x+3 = 0
\n" ); document.write( "=> x = -3/2
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