(3✓2+2✓3)²+(3✓2-2✓3)²
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Step-by-step explanation:
(3√2 + 2√3)^2 + ( 3√2 - 2√3)^²
18 + 12 + 12√6 + 18 + 12 - 12√6
18 + 12 + 18 + 12
= 60
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