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Theory
Factor out
If the terms in a sum or difference contain a common factor, it can be factored out to create a product.
4
⋅
x
+
4
⋅
y
=
4
(
x
+
y
)
x
⋅
y
−
7
⋅
x
=
x
(
y
−
7
)
This is the opposite of
distributing
.
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