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Find the value of 2x2 + x - 2 when x = - 2 .
JMAP math expression
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Find the value of 2x2 + x - 2 when x = - 2 .

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peter
Asked by peterrep:1.7K
University of Lagos Nigeria
25 June 2020

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judziy
Judziy answeredrep:1.9K
University of Benin Nigeria
25 June 2020
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Find the value of 2x2 + x - 2

when x = - 2,

2(-2)2 + (-2) - 2

= 2(4) - 2 - 2

= 8 - 2 - 2

= 4 

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