Multiply and add like terms:
(
z
−
3
)
(
z
+
3
)
\displaystyle {\left({z}-{3}\right)}{\left({z}+{3}\right)}
(
z
−
3
)
(
z
+
3
)
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Question 6
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\displaystyle
Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
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