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If a = 3 and b = -1, what is the value of ab - b^2 ?
JMAP math expression
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If a = 3 and b = -1, what is the value of ab - b2 ?

1) -2

2) 2

3) -4

4) 4

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judziy
Asked by judziyrep:874
University of Benin Nigeria
24 June 2020

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peter
Peter answeredrep:906
University of Lagos Nigeria
12 August 2020
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ab - b2

when a = 3 and b = -1,

(3)(-1) - (-1)2

= -3 - 1

= -4

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