Question

Combine the radicals using addition and subtraction, if possible.

5√48-6√3+2√12

Answer 1

5√48 - 6√3 + 2√12
= 5(4√3) - 6√3 + 2(2√3) (since √48 = 4√3, √12 = 2√3)
= 20√3 - 6√3 + 4√3
= 18√3