Question

4 x square + 81 y square + 36 x y when x is equal to -1 Y is equal to minus 1 find the value​

Answer 1

Answer:

49

1. 4(-1)square+81(1)square+36(-1)(1)
2. 4+81-36
3. 85-36
4. 49

Answer 2

4x square + 81y square + 36xy

put x=-1 and y=-1

= 4(-1)square+ 81(-1) square + 36(-1)(-1)

=4*1+81*1+36*1

=4+81+36

=121.

hope it will help u ....