Answer:
18
Step-by-step explanation:
Write the expression
-2x²y
substitute the real values with x=-3 and y= -1
-2(-3²)×(-1)
-2(9)×(-1)
-18×-1
18
Answer:
the value of x is 3
Step-by-step explanation:
Hope this helps!!!! :)
Answer:
Here is your answer
Step-by-step explanation:
I have this question to on a test of mine, someone help please xD
Answer:

Step-by-step explanation:
![\displaystyle (6 + 3i)(6 - 3i) = 36 - 9i^2 = 36 - 9[-1] = 36 + 9 = 45](https://tex.z-dn.net/?f=%5Cdisplaystyle%20%286%20%2B%203i%29%286%20-%203i%29%20%3D%2036%20-%209i%5E2%20%3D%2036%20-%209%5B-1%5D%20%3D%2036%20%2B%209%20%3D%2045)
<u>Extended Information</u><u> </u><u>on</u><u> </u><u>the</u><u> </u><u>Complex</u><u> </u><u>Number</u><u> </u><u>System</u>
![\displaystyle \sqrt{-1} = i \\ -1 = i^2 \\ -i = i^3 \\ 1 = 4\:[Any\:multiple\:of\:four]](https://tex.z-dn.net/?f=%5Cdisplaystyle%20%5Csqrt%7B-1%7D%20%3D%20i%20%5C%5C%20-1%20%3D%20i%5E2%20%5C%5C%20-i%20%3D%20i%5E3%20%5C%5C%201%20%3D%204%5C%3A%5BAny%5C%3Amultiple%5C%3Aof%5C%3Afour%5D)
I am joyous to assist you anytime.