How do you find all the real and complex roots of x^2-4=0? Precalculus Complex Zeros Complex Conjugate Zeros 1 Answer Jim G. Aug 2, 2018 x=+-2 Explanation: "add 4 to both sides" x^2=4rArrx=+-2 Answer link Related questions What is a complex conjugate? How do I find a complex conjugate? What is the conjugate zeros theorem? How do I use the conjugate zeros theorem? What is the conjugate pair theorem? How do I find the complex conjugate of 10+6i? How do I find the complex conjugate of 14+12i? What is the complex conjugate for the number 7-3i? What is the complex conjugate of 3i+4? What is the complex conjugate of a-bi? See all questions in Complex Conjugate Zeros Impact of this question 1393 views around the world You can reuse this answer Creative Commons License