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What is the value of the expression -3x^2 y + 4x when x = -4 and y = 2?
JMAP math expression
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What is the value of the expression -3x2y + 4x when x = -4 and y = 2?

1) -112

2) -80

3) 80

4) 272

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

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peter
Peter answeredrep:905
University of Lagos Nigeria
12 August 2020
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-3x2y + 4x

when x = -4 and y = 2, the expression becomes:

-3(-4)2(2) + 4(-4)

= -3(16)(2) + (-16)

= -3(32) - 16

= -96 - 16

= -112

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