y ⋅ 4 + y ⋅ z = y ⋅ 4 + y ⋅ z = y ⋅ ( 4 + z ) A n s w er : B
The expression y ⋅ 4 + y ⋅ z can be rewritten as y ⋅ ( 4 + z ) by factoring out the common term y . Therefore, the correct answer is option B. This reveals the relationship between the components of the expression more clearly.
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