Expand the Trigonometric Expression (x+2)^2

Problem

(x+2)2

Solution

1. Identify the expression as a square of a binomial in the form (a+b)2

2. Apply the formula for the square of a binomial, which is (a+b)2=a2+2*a*b+b2

3. Substitute a=x and b=2 into the formula.

4. Simplify the terms by performing the multiplication and squaring the constant.

5. Combine the results to write the final expanded polynomial.

Final Answer

(x+2)2=x2+4*x+4

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