Question

Find the value of 3y2
+8x-3xy if x=-1 and y=2

Answer 1

SOLUTION:-

Given:

x = -1 & y= 2

Putting the value of this equation;

3y² + 8x -3xy

=) 3(2)² + 8(-1) - 3(-1)(2)

=) 3× 4 + (-8) - 3(-2)

=) 12 - 8 + 6

=) 12 -2

=) 10 [answer]

Hope it helps ☺️

Answer 2

the answer is 10, just apply the values in place of the variables