SOLUTION: find the area of a rectangle with length, l = 2x + 3 and width, w = 2x - 3
a. 4x2
b. 4x2 - 12x + 9
c. 4x2 - 9
d. 4x2 + 9
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Question 69150: find the area of a rectangle with length, l = 2x + 3 and width, w = 2x - 3
a. 4x2
b. 4x2 - 12x + 9
c. 4x2 - 9
d. 4x2 + 9
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
The area of a rectangle is given by:
Substituting L = 2x+3 and W = 2x-3, you get:
Perform the indicated multiplication and simplify.
...and you're done!
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