Question

1/5(25m-15n)-2(3m+6n) помогите пж

Answer 1

Пошаговое объяснение:

=0.2(25m-15n) - 2(3m+6n) = 5m - 3n - 6m - 12n= -m - 15n

Answer 2

Solving the Expression 1/5(25m-15n)-2(3m+6n)

To solve the given expression 1/5(25m-15n)-2(3m+6n), we can follow the order of operations, which is parentheses, exponents, multiplication and division (from left to right), and addition and subtraction (from left to right).

Step 1: Distribute the Numbers Outside the Parentheses

First, distribute the numbers outside the parentheses to the terms inside the parentheses.

1/5(25m-15n) becomes 1/5 * 25m - 1/5 * 15n -2(3m+6n) becomes -2 * 3m - 2 * 6n

Step 2: Perform the Multiplications

Next, perform the multiplications within each term.

1/5 * 25m = 5m 1/5 * 15n = 3n -2 * 3m = -6m -2 * 6n = -12n

Step 3: Combine Like Terms

Finally, combine the like terms.

5m - 3n - 6m - 12n

Step 4: Simplify the Expression

Combine like terms to simplify the expression.

5m - 6m - 3n - 12n = -m - 15n

So, the simplified form of the given expression 1/5(25m-15n)-2(3m+6n) is -m - 15n.