3√6 × √12 - √50
= 3√6 × √4.3 - √50
= 3√6 × 2√3 - √50
= (3.2)√6.3 - √50
= 6√18 - √50
= 6√9.2 - √25.2
= 6.3√2 - 5√2
= 18√2 - 5√2
= (18-5)√2
= 13√2
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3√6 × √12 - √50
= 3√6 × √4.3 - √50
= 3√6 × 2√3 - √50
= (3.2)√6.3 - √50
= 6√18 - √50
= 6√9.2 - √25.2
= 6.3√2 - 5√2
= 18√2 - 5√2
= (18-5)√2
= 13√2
semoga membantu