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How to solve Questions 1&2?

How to solve Questions 1&2?-example-1

1 Answer

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1. x can be -1 or -3


2. x =(-6-√60)/-6=1+1/3√ 15 = 2.291 x =(-6+√60)/-6=1-1/3√ 15 = -0.291
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