The property was used to simplify the expression is Distributive Property , Option A is the answer.
An expression is a mathematical statement which consist of constants , variables and mathematical operators.
The expression given is
4(b+2) = 4b+8
According to the distributive property , sum of Multiplication of two number by a single number is equal to the multiplication of the number to the sum of the two numbers
Example : a(b+c) = ab + ac
4*b + 4*2 = 4b+8
Therefore Option A is the correct answer.
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