Mathematics, 19.06.2020 23:57 sabrinarasull1pe6s61

The garden at João's house was square, with the sides measuring x. It was enlarged as follows: on one side, there was an increase of 6 m and on the other, by 3 m. In this way, the garden started to have a rectangular shape. Knowing that the difference between the new area and the old is 99m2, determine the measure of x.

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The garden at João's house was square, with the sides measuring x. It was enlarged as follows: on on...