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Evaluate the expression (4x^3y^-2)(3x^-2 y^4) for x = –2 and y = –1.

Evaluate the expression (4x^3y^-2)(3x^-2 y^4) for x = –2 and y = –1.
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4 votes
Evaluate the expression (4x^3y^-2)(3x^-2 y^4) for x = –2 and y = –1.

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User Ecton
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1 Answer

6 votes

(4x^(3)y^(-2))(3x^(-2)y^(4)) \\(4(-2)^(3)(-1)^(-2))(3(-2)^(-2)(-1)^(4)) \\(4(8)((1)/((-1)^(2)))(3((1)/((-2)^(2)))(1)) \\(32((1)/(2)))(3((1)/(4))(1)) \\(16)((3)/(4)(1)) \\(16)((3)/(4)) \\12
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User Dbuggy
by
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