Question

Tolong bantuan lagi dong..
√6-√72+√98-3√6

Answer 1

√6 - √72 + √98 - 3√6
=> √6 - √(36*2) + √(49*2) - 3√6
=> √6 - 3√6 - 6√2 + 7√2
=> -2√6 + √2
=> √2(-2√3 + 1)