SOLUTION: please help with this. (-2+5i) + (1+7i) i think the i is supposed to be an immaginary wchich equals negative one. i dont know.

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: please help with this. (-2+5i) + (1+7i) i think the i is supposed to be an immaginary wchich equals negative one. i dont know.      Log On


   

Question 391136: please help with this. (-2+5i) + (1+7i) i think the i is supposed to be an immaginary wchich equals negative one. i dont know.
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
please help with this. (-2+5i) + (1+7i) i think the i is supposed to be an immaginary wchich equals negative one. i dont know.
i=+sqrt%28-1%29
...
(-2+5i) + (1+7i)
-2+1+5i+7i
-1+12i