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Ex 12.3, 8 - Chapter 12 Class 7 Algebraic Expressions - Part 2

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Ex 12.3, 8 (ii) If p = – 10, find the value of p2 – 2p – 100 p2 – 2p – 100 Putting p = −10 = (−10)2 − 2 (−10) − 100 = 100 + 20 − 100 = 120 − 100 = 20

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