Simplify each of the following products:(i) x2-25 25-x2 - x2+2x(ii) x2 – InterviewSolution

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1.	Simplify each of the following products:(i) x2-25 25-x2 - x2+2x(ii) x2+x-2 x2-x+2(iii) x3-3x2-x x2-3x+1 (iv) 2x4-4x2+1 (2x4-4x2-1)
Answer» Simplify each of the following products: (i) $(\frac{x}{2} - \frac{2}{5}) (\frac{2}{5} - \frac{x}{2}) - x^{2} + 2 x$ (ii) $(x^{2} + x - 2) (x^{2} - x + 2)$ (iii) $(x^{3} - 3 x^{2} - x) (x^{2} - 3 x + 1)$ (iv) $(2 x^{4} - 4 x^{2} + 1) (2 x^{4} - 4 x^{2} - 1)$

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