Amit and tiana simplified the expression -4 [8 + (-6) +3] in different ways amit`s first step was to add the three numbers within the brackets. tiana`s first step was to multiply each of the number within the brackets by -4. part a: - write an expression to represent tiana`s first step. in the expresssion, show which numbers are being multiplied together, but don`t find each of the products. part b: - what should tiana have writtern as the product when she multiplied -6 by -4.