Question

if x is 1 and y is-1 find the value of 3x²+3y²-3xy​

Answer 1

Answer:

9

Step-by-step explanation:

3x²+3y²-3xy= 3(1²)+3(-1²)-3(1)(-1)

=3(1) +3(1) - 3 (-1)

=3+3+3

=9

Answer 2

Answer:

3

Step-by-step explanation:

[(3 × 1 × 1 ) +3 ×( -1×-1) -3×1×-1]

(3)+(3) - ( 3)

3+3-3

6-3

3