Question

simplify (-3+√5) (-3-√5)​

Answer 1

Answer:

(-3+√5) (-3-√5)​

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

here our a = -3, b = $\sqrt{5}$

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

= 9 - 5

= 4

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Answer 2

Answer:

Step-by-step explanation:

4