simplify (-3+√5) (-3-√5)
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Answered by
0
Answer:
9+3under root 5 -3 under root 5 -5
4
Answered by
3
Answer:
We apply (a + b) (a - b) = a² - b²
9 - 5 - 3√5 + 3√5
4
4 is your answer
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