# Calculated 82619

When modifying the school plot in the shape of a rectangle, the deviation was calculated if we increased the length and width of the plot by 1m and its area by 22 m

^{2}. If we reduce the length of the plot by 2m and increase its width by 1m, its area will decrease by 5m^{2}. What is the size of the school grounds?### Correct answer:

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#### You need to know the following knowledge to solve this word math problem:

**algebra**- quadratic equation
- equation
- expression of a variable from the formula
**planimetrics**- area of a shape
- rectangle

#### Units of physical quantities:

#### Grade of the word problem:

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