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Posted by on Monday, December 5, 2011 at 10:02am.

(a+bx)(c+dx)=income

solve for x

  • Math - , Monday, December 5, 2011 at 10:08am

    FOIL

    ac+adx+bcx+ dbx^2=income

    db x^2+ (ad+bc)x+ (ac-income)=0

    now, use the quadratic equation to solve for x. Without numerals, it is complicated.

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