Algebraic Expressions and Evaluations

What is the first step in evaluating the expression (6m - 4m)^2 when m is 6?

• Add 6 and 4

• Multiply 6 by 4

• Substitute m with 6

• Raise 6 to the second power

After substituting m with 6 in the expression (6m - 4m)^2, what operation should be performed first?

• Multiplication

• Subtraction

• Addition

• Exponentiation

In the alternative method, what is the simplified form of the expression 6m - 4m?

• 12m

• 8m

• 2m

• 10m

When evaluating 3 * (5m^2 + 2) with m = 5, which operation should be performed first according to the order of operations?

• Addition

• Subtraction

• Multiplication

• Exponentiation

What is the final result of evaluating the expression 3 * (5m^2 + 2) when m is 5?

• 125

• 144

• 381

• 127