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OpenStudy (anonymous):
Which of the following represents the area of a rectangle whose length is 5x – 3 and whose width is x + 7?
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jhonyy9 (jhonyy9):
A=l*w - so multiply lenght by width and will get area
OpenStudy (kira_yamato):
(5x - 3)(x + 7) = 5x^2 + 32x - 21
jhonyy9 (jhonyy9):
5x2 +32x -21
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