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b. 4 - 6 - 6 = -8
c. 1 + 20 + 3 = 24
d. 9 + 20 + 9 =38
1 - (-12) + (-3) = 10
b. (-2)² - 2(3x1) + 3(-2)
4 - 6 + (-6) = -8
c. (1)² - 2(5x-2) + 3(1)
1 - (-20) + 3 = 18
a. (3)² - 2(2x-5) + 3(3)
9 - (-20)+ 9 = 38