Answer:

• Problem: (5s+3)²

• First Step: Using (a+b)²=a²+2ab+b², expand the expression.

• Second Step: To raise a product to a power, raise each factor to that power.

• Third Step: Calculate the product.

• Fourth Step: Evaluate the power.

• The Solution/The Last Answer: (5s)²+2×5s×3+3²

Step-by-step explanation:

That's it:D

Hope you understand it:D

#CarryOnLearning