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yuradex [85]
3 years ago
12

The length of rectangle PQRS is expressed as 2x+7. The width of rectangle PQRS is expressed as 3x−4. Which expression describes

the area of rectangle PQRS?
A.6x^2
B.6x^2-29x-28
C.6x^2-15
D.6x^2+13x-28
Mathematics
1 answer:
dalvyx [7]3 years ago
3 0

Answer:

area = length \times width \\  = (2x + 7)(3x - 4) \\  = (6 {x}^{2}  - 8x + 21x - 28) \\  = (6 {x}^{2}  + 13x - 28) \: sq \: units

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