Factorise $$\(6 y^{2}-y-5\)$$ (2) (b) Make $$\(f\)$$ the subject of $$\(w=\frac{2 f+3}{8-f}\)$$ (3) (c) Express $$\(4 x^{2}-8 x+7\)$$ in the form $$\(a(x+b)^{2}+c\)$$ where $$\(a, b\)$$ and $$\(c\)$$ are integers. (3)

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