Question 458423
4 radical 7 + 8 radical 63
{{{4*sqrt(7) + 8*sqrt(63)}}}
{{{4*sqrt(7) + 8*sqrt(3*3*7)}}}
{{{4*sqrt(7) + 3*8*sqrt(7)}}}
{{{4*sqrt(7) + 24*sqrt(7)}}}
{{{sqrt(7)(4+24)}}}
{{{sqrt(7)(28)}}}
{{{28*sqrt(7)}}}