Question

3(4a+b) What matches this equation

Answer 1

12a + 3b.

Explanation:

3(4a + b)

= 3 * 4a + 3 * b

= 12a + 3b.

Hope this helps!

Answer 2

`12a+3b`

Explanation:

`\mathrm{Apply\:the\:distributive\:law}:\quad \:a\left(b+c\right)=ab+ac\\a=3,\:b=4a,\:c=b\\=3* \:4a+3b\\\mathrm{Multiply\:the\:numbers:}\:3* \:4=12\\=12a+3b`