write showing all working the following algebraic expression as a single fraction in its simplest form: 4-[(x+3)/ ((x^2 +5x +6)/(x-2))]

4-[(x+3)*((x-2)/(x^2 +5x +6))]

4-[(x+3)(x-2)/(x^2 +5x +6))]

factorise denominator 

4-[(x+3)(x-2)/(x+3)(x+2)]

cancel down (x+3)

4-[(x-2)/(x+2)]

expand 

4(x+2)/(x+2) - (x-2)/(x+2)

now share a denominator so make one fraction 

(4x+8-x+2)/(x+2)

simplify

(3x+10)/(x+2)

Related Further Mathematics GCSE answers

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How do I determine if a stationary point on a curve is the maximum or minimum?


The curve C has equation f(x) = 4(x^1.5) + 48/(x^0.5) - 8^0.5 for x > 0. (a) Find the exact coordinates of the stationary point of C. (b) Determine whether the stationary point is a maximum or minimum.


How do I find the limit as x-->infinity of (4x^2+5)/(x^2-6)?


Find the stationary points of y=x^3 + 3x^2 - 9x - 4


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