document.write( "Question 986388: x2+3x-28=0 \n" ); document.write( "
Algebra.Com's Answer #607148 by Boreal(15235)\"\" \"About 
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Need factors of 28 that add to 3. They are 7 and -4
\n" ); document.write( "(x+7)(x-4)=0
\n" ); document.write( "That occurs when each one is zero
\n" ); document.write( "x= -7, 4
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