Make $$\(a\)$$ the subject of $$\(d=g+2 a c\)$$ (2) (b) Factorise fully $$\(9 e f-12 f\)$$ (2) (c) Expand and simplify $$\((x+2)(x-5)\)$$ (2) (d) Simplify fully $$\(\frac{n^{4} \times n^{7}}{n^{5}}\)$$ (2)

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