document.write( "Question 381630: What are the values of r in the equation r2-7r-8=0 \n" ); document.write( "

Algebra.Com's Answer #270687 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,         
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document.write( "Solving for r
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document.write( "r^2-7r-8=0
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document.write( "Factoring
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document.write( "(r - 8)(r + 1)=0 Note:SUM of the inner product(-8r) and the outer product(1*r) = -7r
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document.write( "(r - 8)= 0
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document.write( "   r = 8
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document.write( "(r + 1)=0
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document.write( "   r = -1 \n" );
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