How do you add radicals #sqrt10 + sqrt10#? Algebra Radicals and Geometry Connections Addition and Subtraction of Radicals 1 Answer Kevin B. · bp Apr 4, 2015 You can simply combine like terms and call it #2sqrt10#. Say I had #x + x#. There are two #x# terms, so we call it #2x#, or two times #x#. Say we let #x = sqrt(10)# and had#sqrt(10) + sqrt(10)#. We would simply call it #2sqrt(10)#. Answer link Related questions How do you add and subtract radicals? How is a radical considered a "like term"? How do you simplify #4\sqrt{3}+2\sqrt{12}#? How do you add #3""^3sqrt(2)+5""^3sqrt(16)#? How do you subtract #\sqrt{8x^3}-4x\sqrt{98x}#? How do you combine the radical #\sqrt{6}-\sqrt{27}+2\sqrt{54}+3\sqrt{48}#? How do you simplify #""^3sqrt{\frac{16x^5}{135y^4}}#? What is #sqrt(50)-sqrt(18)#? How do you add #3sqrt2+4sqrt2#? What is the square root of 50 + the square root of 8? See all questions in Addition and Subtraction of Radicals Impact of this question 1482 views around the world You can reuse this answer Creative Commons License