-32
The average. Add all the numbers together and divide that by how many numbers there are. Example: 6,2,3,4,5. Added together equals 20. Divided by all of the numbers (5) equals 4. Your answer would be 4.
12
-4 + 10 - 5 + 3 = 13 - 9 = 4 For problems as this, group like terms together : combine the numbers being added and similarly combine the numbers being subtracted.
1*2*4
4
32
-9+4
-32
The average. Add all the numbers together and divide that by how many numbers there are. Example: 6,2,3,4,5. Added together equals 20. Divided by all of the numbers (5) equals 4. Your answer would be 4.
4 - 4.898979*i and 4 + 4.898979*i (to 6 dp) where i is the imaginary square root of -1.
2.4115 and 33.5885 (to 4 dp)
12
32
The complex conjugate pair -4 ± 6.325i where i is the imaginary square root of -1.
four threes
-2 and -4 do that.