document.write( "Question 144780: If x = 3 and x = -5, then form a quadratic equation.
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Algebra.Com's Answer #105527 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
if n is a root (solution), then x-n is a factor\r
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\n" ); document.write( "\n" ); document.write( "(x-3)(x+5)=0 __ FOILing __ x^2+2x-15=0
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