Question

x² +1/x²-34 - Factorise
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Answer 1

Answer:

${x}^{2} + \frac{1}{{x}^{2} } - 34 \\ = ( {x)}^{2} + (2 \times x\times \frac{1}{x} ) + ( \frac{1}x) ^{2} - 2 - 34 \\ = (x + \frac{1}{x} ) - 36$