document.write( "Question 1076467: Let r and s be the roots of y^2 - 19y + 7. Find (r-2)(s-2).
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Algebra.Com's Answer #691086 by MathTherapy(10553) $\"\"$ $\"About$

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Let r and s be the roots of y^2 - 19y + 7. Find (r-2)(s-2).
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(r – 2)(s – 2)_____rs – 2r – 2s + 4______rs – 2(r + s) + 4
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document.write( "Product, or 
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document.write( "Sum, or \r
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document.write( "rs – 2(r + s) + 4
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document.write( "7 – 2(19) + 4 -------- Substituting 7 for rs, and 19 for r + s
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document.write( "It's as simple as that! No complex calculations are necessary! \n" );
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