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If the sides of a square are lengthened by 6 cm the area becomes 196 cm 2 find the length of a side of the original square?

  • algebra -

    Area of a square = s^2 (side squared)

    x = side of original square
    x + 6 = side of lengthened square

    196 = (x + 6)^2

    Solve for x.

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