What are the steps to doing this ?

a ) -16(10) + 4(10) -152 : (3 .25) b ) -32 -42-12+3.4-20+(2.(-5)) +(-5)2 C) -16x : 4x - y? + (3y) d) -x2 - x2 - 3x +3x - 2y +(y.(-5)) +(-y) 2. Explain your learning experience when you worked each of the problems in problem 1. a ) When you are evaluating the expression -32, what are you thinking? How would you get the answer? b ) When you are evaluating the expression -x2 , what are you thinking? How would you get the answer? C) When you are evaluating the expression 30 + 3(10) and 3x + 3x , what are you thinking? How would you come up the answers