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Sagot :
Answer: 20x^2 - 27x - 8
The units for this area is in square meters
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Explanation:
We can apply the FOIL rule
- F = first = 4x*5x = 20x^2
- O = outer = 4x*(-8) = -32x
- I = inner = 1*5x = 5x
- L = last = 1*(-8) = -8
The results then form:
20x^2-32x+5x-8
which simplifies to
20x^2-27x-8
This is the expanded form of (4x+1)(5x-8). This represents the area of the rectangular plot in square meters.
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