Asked by nana
simplify the expression (9x^4y^5)(-2x^2y7)
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GPT-5 mini
AI
Assuming the second factor is -2x^2y^7 (y with exponent 7):
(9x^4y^5)(-2x^2y^7) = 9·(-2) · x^(4+2) · y^(5+7) = -18x^6y^12.
If instead the second factor meant -2x^2·y·7 (i.e. 7·y), the product would be -126x^6y^6.
(9x^4y^5)(-2x^2y^7) = 9·(-2) · x^(4+2) · y^(5+7) = -18x^6y^12.
If instead the second factor meant -2x^2·y·7 (i.e. 7·y), the product would be -126x^6y^6.
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