What is the area of a rectangle with a length of x + 2 and a width of x-1?
A. x2 + x - 2
B. x² – x-2
C. x2 + x + 2
D. x2 - x + 2
A. x2 + x - 2
B. x² – x-2
C. x2 + x + 2
D. x2 - x + 2
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Answer:
a rectangle has 2 pairs of equal sides
area is the product of the rectangle's base times height
so
area = x+2 times x-1
a = (x+2) (x-1)
a = x^2 + 2x - x - 2
a = x^2 + x - 2
the answer is A