document.write( "Question 447715: The equation x^2 + x - 4 = (x + a) (x+ b) is true. what is ab \n" ); document.write( "
Algebra.Com's Answer #308173 by stanbon(75887)\"\" \"About 
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The equation x^2 + x - 4 = (x + a) (x+ b) is true. what is ab
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\n" ); document.write( "x^2+x-4 = x^2+(a+b)x+ab
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\n" ); document.write( "Equations:
\n" ); document.write( "a+b = 1
\n" ); document.write( "ab = -4
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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