Question 559492
Simplify:
{{{sqrt(63)+sqrt(7)+sqrt(64)}}}
{{{sqrt(63) = sqrt(9*7)}}}={{{3sqrt(7)}}}
{{{sqrt(64) = 8}}} or {{{-8}}} so...
{{{sqrt(63)+sqrt(7)+sqrt(64) = 3sqrt(7)+sqrt(7)+8}}} = {{{4sqrt(7)+8}}} or {{{4sqrt(7)-8}}}