document.write( "Question 297806: Solve using the principle of zero products.\r
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Algebra.Com's Answer #214395 by JBarnum(2146) $\"\"$ $\"About$

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if s(s+4)=0 the s= 0 or -4 because 0(0+4)=0 and -4(-4+4)=-4(0)=0 \n" ); document.write( "

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