Jim S. answered 08/01/19
Tutor
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(516)
Physics (and math) are fun, really
MIlica,
The area of a rectangle in general is the length X width.
In this problem you were given the length as 2x and the width as 3x-7 so the area is
A=2x*(3x-7) or A=6x2- 14x any questions?
Jim