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Precalculus Examples
Popular Problems
Precalculus
Factor (x-(4+i))(x-(4-i))
(
x
−
(
4
+
i
)
)
(
x
−
(
4
−
i
)
)
(
x
-
(
4
+
i
)
)
(
x
-
(
4
-
i
)
)
Step 1
Apply the
distributive property
.
(
x
−
1
⋅
4
−
i
)
(
x
−
(
4
−
i
)
)
(
x
-
1
⋅
4
-
i
)
(
x
-
(
4
-
i
)
)
Step 2
Multiply
−
1
-
1
by
4
4
.
(
x
−
4
−
i
)
(
x
−
(
4
−
i
)
)
(
x
-
4
-
i
)
(
x
-
(
4
-
i
)
)
Step 3
Apply the
distributive property
.
(
x
−
4
−
i
)
(
x
−
1
⋅
4
−
−
i
)
(
x
-
4
-
i
)
(
x
-
1
⋅
4
-
-
i
)
Step 4
Multiply
−
1
-
1
by
4
4
.
(
x
−
4
−
i
)
(
x
−
4
−
−
i
)
(
x
-
4
-
i
)
(
x
-
4
-
-
i
)
Step 5
Multiply
−
1
-
1
by
−
1
-
1
.
(
x
−
4
−
i
)
(
x
−
4
+
1
i
)
(
x
-
4
-
i
)
(
x
-
4
+
1
i
)
Step 6
Multiply
i
i
by
1
1
.
(
x
−
4
−
i
)
(
x
−
4
+
i
)
(
x
-
4
-
i
)
(
x
-
4
+
i
)
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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