Question

simplify (-3+√5)(-3-√5)​

Answer 1

Step-by-step explanation:

$( - 3 + \sqrt{5} )( - 3 - \sqrt{5} )$

${( - 3)}^{2} - {( \sqrt{5} )}^{2}$

$9 - 5 = 4$

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Answer 2

Answer:

Step-by-step explanation:

(-3+√5)(-3-√5)

(-3×-3)√5

9√5

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