How do you simplify (3+2i)+(−5+8i)? Precalculus Complex Numbers in Trigonometric Form Complex Number Plane 1 Answer Jim G. Apr 12, 2018 −2+10i Explanation: distribute and collect like terms 3+2i−5+8i =−2+10i Answer link Related questions What is the complex number plane? Which vectors define the complex number plane? What is the modulus of a complex number? How do I graph the complex number 3+4i in the complex plane? How do I graph the complex number 2−3i in the complex plane? How do I graph the complex number −4+2i in the complex plane? How do I graph the number 3 in the complex number plane? How do I graph the number 4i in the complex number plane? How do I use graphing in the complex plane to add 2+4i and 5+3i? How do I use graphing in the complex plane to subtract 3+4i from −2+2i? See all questions in Complex Number Plane Impact of this question 2341 views around the world You can reuse this answer Creative Commons License