Question

2x²+ 7x+ 5 quadratic formula​

Answer 1

Answer:

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Answer 2

Answer:

$x = \frac{ - 7 + \sqrt{ {7}^{2} - 4 \times 2 \times 5} }{2 \times 2} \\ = \frac{ - 7 + \sqrt{49 - 40} }{4} \\ = \frac{ - 7 + \sqrt{9} }{4} \\ = \frac{ - 7 + 3}{4} = \frac{ - 4}{4} = ( - 1)$

or,

$x = \frac{ - 7 - \sqrt{ {7}^{2} - 4 \times 2 \times 5} }{4} \\ = \frac{ - 7 - \sqrt{49 - 40 } }{4} \\ = \frac{ - 7 - \sqrt{9} }{4} \\ \frac{ - 7 - 3}{4} = \frac{ - 10}{4} = \frac{ - 5}{4}$

It's your answer dear.

x= (-1) or, (-5/4).