Question

-ab2c + a2bc - abc2 if a is 2 ,b is -2 , c is 1 find the value of the expressions​

Answer 1

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-ab²c + a²bc - abc² if a = 2 ,b = -2 , c = 1 find the value of the expressions

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$-ab²c + a²bc - abc²$

$a = 2 \\ b = - 2 \\ c = 1$

$-(2){(-2)}^{2}(1) +{(2)}^{2}(-2)(1) -(2)(-2) {(1)}^{2}$

$-(2)(4)(1) + (4)( - 2)(1) - (2)( - 2)(1)$

$- 8 - 8 + 4$

$- 16 + 4$

$- 12$

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