bagaimana cara menyelesaikan nya? tolong bantu jawabb

<p><strong>(√2 + √3)(√2 - √3)</strong></p><p><strong>Ingat sifat (√a + √b)(√a - √b) = a - b</strong></p><p><strong>Jadi, (√2 × √2) - (√3 ×√3) = 2 - 3</strong></p><p><strong>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = -1</strong></p><p>&nbsp;</p>