How do you make this this true?

26 = 5 + 3 squared - 6 x 7
22 = 5 + 3 squared - 6 x 7
406 = 5 + 3 squared - 6 x 7

1 answer

26 = 5+(3^2-6)*7

play around with the others a while. There aren't that many places to put the parens.