# Algebra 2

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Subtract. Simplify by removing a factor of 1 when possible.

(10bf)/(b^2-f^2)-(b-f)/b+f)

• Algebra 2 -

the actual subtraction part is easy: it's two factions being subtracted, which can only be done if they have the SAME denominator. So... the common denominator for the new fraction will be

(b^2 - f^2)(b + f)

the numerator is

(10bf)*(b + f) - (b - f)*(b^2 - f^2)

the new fraction is

(10bf)*(b + f) - (b - f)*(b^2 - f^2)
-----------------------------------
(b^2 - f^2)(b + f)

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