how do u simplify this please show working out
simplify 4√48 + 3√147 + 5√12
4√48 + 3√147 + 5√12 =
4√ ( 16 * 3) + 3√ (49 * 3) + 5 √ (4 * 3) =
4*4 √3 + 3*7 √3 + 5*2√3 =
16√3 + 21√3 + 10√3 =
47√3