-3(2x+5)-7

Answer 1

To simplify the expression $-3(2x+5)-7$, follow these steps:

1. Distribute -3 across the terms inside the parentheses:

$$-3\cdot 2x-3\cdot 5=-6x-15$$

2. Now substitute back into the expression:

$$-6x-15-7$$

3. Combine the constant terms (-15 and -7):

$$-6x-(15+7)=-6x-22$$

So, the simplified expression is:

$$-6x-22$$