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19 October, 00:46

Let x = 6. What is the value of the expression 5x to the 2nd power + x-7?

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Answers (2)
  1. 19 October, 00:52
    0
    149

    Step-by-step explanation:

    5 to the second power is 25, because you do 5x5. Then you multiply 25 by x, which is 6, and get 150. Then you add 6 to 150, which is 156, and subtract seven. Also the answer is 149.
  2. 19 October, 01:07
    0
    The answer is 149

    Step-by-step explanation:

    The equation is

    5x² + X - 7

    Putting X as 6 we get

    =5 (6) ²+6-7

    = (5) (36) + 6-7

    =180+6-7

    =186-7

    =179
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