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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? a. 5x2 – 21 b. 5x2 + 9x – 21 c. 5x2 + 32x – 21 d. 5x2 – 32x – 21
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OpenStudy (campbell_st):
well you need to be able to multiply (5x - 3)(x + 7) =
OpenStudy (anonymous):
@campbell_st =5x^2 + 32x - 21
OpenStudy (campbell_st):
correct... well don
OpenStudy (campbell_st):
opps done
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