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## Answers

by applying -b+-root of b square -4ac whole divided by 4ac

-14+- root of 196- 4*2*9 whole divided by 4

=-14+-root of196-72 whole divided by 4

-14+-root of 124 whole divided by 4

-14+-2 root of 31 whole divided by 4

x=-7+root of 31 whole divided by 2 and another x=-7-root of 31 divided by 2

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2x² + 14x + 9 = 0

the roots are

So both the roots are irrational. There are no rational roots.

the roots are

So both the roots are irrational. There are no rational roots.