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Factor

(18 x^(-2)y ^(2) )/(2 x^(2) y)

User Thinh Vu
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1 Answer

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When you write terms in denominator on numerator, sign of indices changes.

(18x^(-2)y^(2))/(2x^(2) y) = ((18x^(-2)y^(2))*(x^(-2)y^(-1)))/(2) = 9(x^(-4) y^(1))
User Joel Burton
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