Simplify:

30 - 4 × 7 + 5^2

1 answer

Using the order of operations (PEMDAS), we should perform the exponentiation, then multiplication and division from left to right, then addition and subtraction from left to right.

30 - 4 × 7 + 5^2

= 30 - 28 + 25

= 27

Therefore, the simplified expression is 27.