What is the value of 15 + x2 when the value of x is 3? also there’s a tiny 2 above the 15

Question

What is the value of 15 + x2 when the value of x is 3? also there’s a tiny 2 above the 15

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Ngọc Hoa 3 years 2021-08-28T17:41:17+00:00 2 Answers 0 views 0

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  1. kimchi2
    0
    2021-08-28T17:42:29+00:00
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    Answer:

    231

    Step-by-step explanation:

    I put the equation as 15^2+2(3) I’m guessing the x was suppose to be after the 2 because it doesn’t make sense putting x in front of the two….

  2. ThanhThu
    0
    2021-08-28T17:43:10+00:00
    Reply

    Answer:

    231

    Step-by-step explanation:

    So the tiny 2 above the 15 means 15 is squared

    15 squared = 225

    225 + x(2)

    If x = 3, then simply plug that into the equation

    225 + 3(2)

    225 + 6

    231 is your answer

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )