Question 206890
What is the radical of 50 plus the radical of 18 minus the radical of 98?
{{{sqrt(50) + sqrt(18) - sqrt(98)}}}
= {{{sqrt(25*2) + sqrt(9*2) - sqrt(49*2)}}}
= {{{5sqrt(2) + 3sqrt(2) - 7sqrt(2)}}}
= {{{sqrt(2)}}}