Question

(√2+5) (√2-6)
pls ans this question urgent​

Answer 1

Answer:

$\red{ - 28 - \sqrt{2} }$

Step-by-step explanation:

$( \sqrt{2} + 5)( \sqrt{2} - 6) \\ \\ = \sqrt{2} ( \sqrt{2} - 6) + 5( \sqrt{2} - 6) \\ \\ = 2 - 6 \sqrt{2} + 5 \sqrt{2} - 30 \\ \\ = 2 - 30 - 6 \sqrt{2} + 5 \sqrt{2} \\ \\ = - 28 - 6 \sqrt{2} + 5 \sqrt{2} \\ \\ = - 6 \sqrt{2} + 5 \sqrt{2} - 28 \\ \\ = \sqrt{2} ( - 6 + 5) - 28 \\ \\ = (\sqrt{2} \times - 1) - 28 \\ \\ = - \sqrt{2} - 28 \\ \\ = - 28 - \sqrt{2}$

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