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12 July, 15:14

What is x^2 + v = w when you have to make x the subject

im really stuck

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Answers (2)
  1. 12 July, 17:32
    0
    X²+v=w (move v to w)

    x²=w-v

    x=√w-v (then square root w-v)
  2. 12 July, 19:10
    0
    Substract v to both sides of the equation: x^2+v-v = w-v

    you get x^2=w-v

    Now take the square root of both sides: root (x^2) = root (w-v)

    you get x = sq root (w-v) or x = + / - sq root (w-v)
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