Question

find the roots of equation 2x²+9x+15=0​

Answer 1

• Step-by-step explanation:

D=

$b { }^{2} - 4ac \\ 9 {?}^{2} - 4 \times 2 \times 15 \\ \\81 - 120 = - 39 < 0 \\ therefore \: \: roots \: not \: exists$

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