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Answered

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what are the zeros of the quadratic function f x equals 2x ^ 2 + 15x - 9​

Sagot :

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a=2 b=15 c=-9

[tex]( - b + - \sqrt{b ^{2} - 4ac } ) \div 2a[/tex]

+ =0.5584

- =-8.0584

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