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Mathematics
Mathematics
Problem
The area of a rectangular courtyard is
3
x
2
−
27
x
+
60
3x^{2}-27x+60
3
x
2
−
27
x
+
60
square metres. If its breadth is
(
x
−
4
)
(x-4)
(
x
−
4
)
metres, what is its length (in metres)? a)
3
x
+
15
3x+15
3
x
+
15
b)
x
−
5
x-5
x
−
5
c)
3
x
−
15
3x-15
3
x
−
15
d)
3
x
−
12
3x-12
3
x
−
12
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