Question

simplify
(-3+√5)(-3-√5)​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Here, we use the identity

$(a + b)(a - b) = a {}^{2} - b {}^{2}$

$- 3 {}^{2} - \sqrt{5} {}^{2} = 9 + 5 = 14$