MathematicsIf the value of p is -10, then the value of (p2- 2p – 100) is ____.

If the value of p is -10, then the value of (p2- 2p - 100) is ____.


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    Solution:

    If the value of p is -10, then the value of (p2- 2p - 100) is 20.
    To find the value of an expression, substitute the value of the variables present.
    ⇒p2- 2p - 100 ⇒(-10)2- 2×(-10) - 100 ⇒100 +20 - 100  ⇒20 Therefore, the required integer is 20.
     
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