Find the inverse for the following matrices:

Question

2 and -4 is on top
6 and 3 is on bottom

My answer is 90 120
-180 60

Answer 1

In google type:

inverse matrix calculator

When you see results click on:

Inverse Matrix Calculator - Matrix Reshish

Set your matrix and click option Calculate

then click option:

Show solution

You will see solution step-by step