Question

7 X 8 -3×2. His work is below .

Answer 1

We have the following:

We have that according to the order of priorities in an operation that multiplication and division have priority over addition and subtraction.

Patrick, the first thing he does is the subtraction, therefore it is wrong, he had to multiply first, like this:

`7\cdot(8-3\cdot2)=7\cdot(8-6)=7\cdot(2)=14`

Therefore, the mistake is first step (step 1)