\(295-\left(31-4.5\right)^2=295-\left(31-20\right)^2=295-\left(11\right)^2=295-121=174\)
295 - ( 31 - 2 2 . 5 ) 2
= 295 - ( 31 - 20 ) 2
= 295 - 11 2
= 295 - 121
= 174
295 - (31 - 22.5)2
= 295 - (31 - 4.5)2
= 295 - (31 - 20)2
= 295 - 112
= 295 - 121
= 174