Simplify: (x+y+z)(x+y-z)
Answers
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2
Step-by-step explanation:
Expand
(
x
+
y
+
z
)
(
x
−
y
−
z
)
by multiplying each term in the first expression by each term in the second expression.
x
⋅
x
+
x
(
−
y
)
+
x
(
−
z
)
+
y
x
+
y
(
−
y
)
+
y
(
−
z
)
+
z
x
+
z
(
−
y
)
+
z
(
−
z
)
Simplify terms.
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