Question

Daca 3⁸-3⁶=x² atunci x =?
Va rog ajutati-ma cu rezolvarea acestei probleme! Dau coroana

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Answer 1

3⁸-3⁶=x²

(3²-1)×3⁶=x²

(9-1)×3⁶=x²

8×3⁶=x²

x²=8×3⁶

x²=8×729

x²=5832

$x1 = - 54 \sqrt{2} \\ x2 = 54 \sqrt{2}$