Combine Like Terms:
−
4
w
2
+
9
x
2
+
2
w
x
−
2
w
2
−
8
x
2
\displaystyle -{4}{w}^{{2}}+{9}{x}^{{2}}+{2}{w}{x}-{2}{w}^{{2}}-{8}{x}^{{2}}
−
4
w
2
+
9
x
2
+
2
w
x
−
2
w
2
−
8
x
2
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Question 6
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