simplify -3 (2x + 7)

To simplify -3(2x + 7), you distribute the -3 to both terms inside the parentheses:

-3 * 2x = -6x
-3 * 7 = -21

Thus, -3(2x + 7) simplifies to -6x - 21.

To simplify the expression -3(2x + 7), you can distribute the -3 to both terms inside the parentheses.

This means you multiply -3 by both 2x and 7.

-3 times 2x is -6x.

-3 times 7 is -21.

So, the simplified expression is -6x - 21.