Answer:
0
Step-by-step explanation:
3x2 - 3x2 = 0
-5x + 5x = 0
3 - 3 = 0
(9 -5x) + (-9 +5x)
-Three times two is six plus three is nine
-Negative three times two is negative six minus three which is negative nine
Xy = k
K is the constant
X = 7
Y = 3
Xy = 21
As xy = k
K = 21
2apply.
