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Artyom0805 [142]
3 years ago
13

Write a simplified polynomial expression in standard form to represent the area of the rectangle below.

Mathematics
1 answer:
Burka [1]3 years ago
3 0
Area of Rectangle = length times width
lets say length = 2x-4
width = x+5

Note: you can switch these around, width could be 2x-4 and length could be x+5, it doesnt matter.

With that being said:
length * width = area
(2x-4)(x+5)=area
FOIL (First Outer Inner Last)
2x^{2}+10x-4x-20=area
Simplify:
x^{2}+6x-20=area
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