What is the value of $$ a(3 a+b) $$ when $$ a=-2 $$ and $$ b=8 \text { ? } $$

Question

UpStudy AI · Accepted Answer

To find the value of $$ a(3a + b) $$ when $$ a = -2 $$ and $$ b = 8 $$, follow these steps:

1. **Substitute the given values into the expression:**
   $$
   a(3a + b) = (-2)(3(-2) + 8)
   $$

2. **Calculate inside the parentheses first:**
   $$
   3(-2) + 8 = -6 + 8 = 2
   $$

3. **Multiply by $$ a $$:**
   $$
   (-2) \times 2 = -4
   $$

**Final Answer:** $$-4$$
When $$ a = -2 $$ and $$ b = 8 $$, the value of $$ a(3a + b) $$ is $$-4$$.

What is the value of \( a(3 a+b) \) when \( a=-2 \) and \[ b=8 \text { ? } \]