We have to solve an expression:
4² + 8 - 3 * ( 8 - 2 ) + 11 =
= 16 + 8 - 3 * 6 + 11 = ( we have to do the multiplication first - PEMDAS :
P - parenthesis first, E - exponents, MD - multiplication/division, AS - addition/subtraction )
= 16 + 8 - 18 + 11 =
= ( 16 + 8 + 11 ) - 18 = 35 - 18 = 17