Variables: 3140
Determine the value of the expression 3a + 2b - a2 - 4b2 for the values of the variables:
a) a = - 1, b = 3
b) a = 2, b = -1
c) a = -2, b = -3
d) a = 4, b = 2
e) a = -5, b = 0
a) a = - 1, b = 3
b) a = 2, b = -1
c) a = -2, b = -3
d) a = 4, b = 2
e) a = -5, b = 0
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