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Mathematics
Mathematics
Problem
Factorise
x
2
+
14
x
+
49
x^2 + 14x + 49
x
2
+
14
x
+
49
. a)
(
x
+
7
)
(
x
−
7
)
(x+7)(x-7)
(
x
+
7
)
(
x
−
7
)
b) Cannot be factorised further over the integers c)
(
x
+
7
)
2
(x+7)^2
(
x
+
7
)
2
d)
(
x
+
8
)
(
x
+
6
)
(x+8)(x+6)
(
x
+
8
)
(
x
+
6
)
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