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1 March, 01:11

What is 3x²+5x+25 when x equals 3

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Answers (2)
  1. 1 March, 02:24
    0
    Answer; 67

    Step-by-step explanation:

    put into the calculator 3 (3) ^2+5 (3) + 25 sub the number 3 for x and the answer will come out to 67
  2. 1 March, 02:58
    0
    Answer: 67

    Step-by-step explanation:

    3x^2 + 5x + 25

    x = 3

    3 (3) ^2 + 5 (3) + 25

    3^2 = 9

    3 (9) + 5 (3) + 25

    3 * 9 = 27

    27 + 5 (3) + 25

    5 * 3 = 15

    27 + 15 + 25

    27 + 15 = 42

    42 + 25 = 67
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