Question

resolva 3✓20+✓32- 2✓45+✓50













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Answer 1

= 3√20 + √32 - 2√45 + √50

= 3√4√5 + √4√8 - 2√9√5 + √25√2

= 3.2√5 + 2√8 - 2.3√5 + 5√2

= 6√5 + 2√8 - 6√5 + 5√2

= 6√5 - 6√5 + 2√8 + 5√2

= 2√8 + 5√2

= 2√2√4 + 5√2

= 2.2√2 + 5√2

= 4√2 + 5√2

= 9√2