Question

In simplifying the expression , Micah followed the steps below. Where did he go wrong?

Expression: (5 - 2)2 + 4 • 3

Step 1: 5 - 4 + 4 • 3

Step 2: 5 - 4 + 12

Step 3: 1 + 12

Step 4: 13

Answer 1

it looks like instead of actually doing math, he made up his own rules and ended up with some fictitious result. So where did he go wrong?