What is the coefficient of x^2 in the expansion of (x+2)^3
1 answer:
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Answer:
6
Step-by-step explanation:
The exponents of x (in the order the polynomial was given) are: 3, 0, 5, 2
Now we put the exponents of x in descending order.
The second term is
The degree of a term is the sum of the exponents of all variables of the term. The exponent of x is 3. The exponent of y is 3, and 3 + 3 = 6.
The degree of the second term is 6.
Answer: 6