Question

please send answer please​

Answer 1

Answer:

$\alpha , \beta$

are the roots of the equation

${x}^{2} + 7x + 10$

here a=1

b=7

c=10

$\alpha + \beta = ?$

we know that

$\alpha + \beta = \frac{ - b}{a}$

$\alpha + \beta = \frac{ - 7}{1} \\ \alpha + \beta = - 7$