How do you solve #-5x^2-25=0#? Precalculus Complex Zeros Complex Zeros on a Graphing Calculator 1 Answer Steve M Oct 7, 2016 #−5x^2−25=0=>5x^2=-25# #:.x^2=-5# #:.x^2=+-sqrt(5)i# Answer link Related questions How do I use a graphing calculator to find the complex zeros of #x^3-1#? How do I use a graphing calculator to find the complex zeros of #x^4-1?# How do I use a graphing calculator to find the complex zeros of #f(x)=x^3-4x^2+25x-100#? How do I use a graphing calculator to find the roots of the polynomial equation #x^3-4x^2+x+26=0#? How do I use a graphing calculator to find the roots of the polynomial equation... How do I use a graphing calculator to solve #x^2-5x-14=0#? How do I use a graphing calculator to solve #2x^2+2x=7x-2#? What does a complex zero look like on a graph? How do you solve #2x^2+18=0#? How do you solve #4x^2+32=0#? See all questions in Complex Zeros on a Graphing Calculator Impact of this question 3163 views around the world You can reuse this answer Creative Commons License