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Equivalent expressions
hard
Which expression is equivalent to
(
3
x
+
7
)
2
−
(
x
−
6
)
?
A
9
x
2
+
41
x
+
43
B
9
x
2
+
41
x
+
55
C
9
x
2
−
x
+
43
D
9
x
2
−
x
+
55
Which expression is equivalent to \((3x+7)^{2}-(x-6)\)? | Math SAT Question | Ronan SAT