Math, asked by 579498, 17 days ago

find the value of given expression 10 + xy² + xy - 15y² if (x=-2) y =(-1)

Answers

Answered by whydeva90

1

Answer:

$10 +( - 2 \times 1) + 2 - 15 \\ 10 - 2 + 2 - 15 = - 5$

Answered by Jiya0071

0

Answer:

10 + xy² + xy - 15y²

(x=-2) y =(-1)

10 + xy² + xy - 15y²

=10+(-2)×(-1)^2+(-2)(-1)-15(-1)^2
=10-2+2-15
=-5

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