If the value of a = –3 and b = 2 then find the value of the following expression ab – b2 + 2a – 3
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Answer:
ab-b²+2a-3
a = -3
b = 2
=> 2(-3) - 2² + 2(-3) - 3
=> -6 - 4 - 6 - 3
=> -19
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