which expression is equivalent to 5(3x + 9)? a 8x + 14 b 45x + 15 c 15x + 45 d 15x - 45
which expression is equivalent to 5(3x + 9)? a 8x + 14 b 45x + 15 c 15x + 45 d 15x - 45
Answer
Explanation:
Step1: Apply distributive property
$$5(3x + 9)=5\times3x+5\times9$$
Step2: Calculate each term
$5\times3x = 15x$ and $5\times9 = 45$. So, $5\times3x+5\times9=15x + 45$.
Answer:
C. $15x + 45$