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7. What are the roots of the equation 2-9 = 0? b.-9 a. 19 C. +3 d. 3​

7 What Are The Roots Of The Equation 29 0 B9 A 19 C 3 D 3 class=

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Datoonjovengo

Answer:

x²-9=0

x²=9

√x²=√9

x= +3 or -3

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