Asked by nana

simplify the expression (9x^4y^5)(-2x^2y7)

All Answers 1

Answered by 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.