Question

If x + (1/x) = -2, then find the value of x^96 - x^95 + x^86 - x^85 .... x^6 - x^5.​

Answer 1

Answer:

92

Step-by-step explanation:

$x + \frac{1}{x} = - 2 \\ \frac{ {x}^{2} + 1 }{x} = - 2 \\ {x}^{2} + 1 = - 2x \\ {x}^{2} + 2x + 1 = 0 \\ {x}^{2} + x + x + 1 = 0 \\ x(x + 1) + 1(x + 1) = 0 \\ (x + 1)(x + 1) = 0 \\ ( {x + 1)}^{2} = 0 \\ x + 1 = 0 \\ x = - 1$

Answer 2

Answer:

72 = 72

96 = 96

first 69 and second 27 = 6927

58 × 87 = 58 × 85.

87 × 78

first 78 and second 85 = 7885

then. 79 × 86

•°• ANSWER = 6897

this helps you please make my answer brainliest.