Question

Find the value of : 4x²+81y²+36xy when x=-1, Y=-1​

Answer 1

Answer:

121

Step-by-step explanation:

4(1)+81(1)+36(1). 4+81+36=121

Answer 2

Step-by-step explanation:

Solution

=4(-1)^2 + 81(-1)^2 +36(-1)(-1)

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

=4+81+36

=121