document.write( "Question 983833: If y=ax^2+bx+c,make x the subject of the formula, i.e. express x in terms of a, b, c and y. \n" ); document.write( "
Algebra.Com's Answer #604627 by rothauserc(4718)\"\" \"About 
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y = ax^2 + bx + c
\n" ); document.write( "ax^2 + bx + c-y = 0
\n" ); document.write( "now use the quadratic formula
\n" ); document.write( "x = (-b + or - square root(b^2 - 4 * a * (c - y))) / 2a
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