document.write( "Question 381673: solve by factoring and using the principle of zero products;
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Algebra.Com's Answer #270703 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "factoring
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document.write( "x^2-9=0
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document.write( "(x-3)(x+3) = 0 Note:SUM of the inner product(-3x) and the outer product(3x) = 0
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document.write( "Applying principle of zero products to solve for x
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document.write( "(x-3)=0
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document.write( "  x = 3
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document.write( "(x+3) = 0 
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document.write( "  x = -3 \n" );
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