Question

Please help me in this question

Answer 1

Answer:

-1

Step-by-step explanation:

$\alpha \beta = 5 \div 2$

$\alpha + \beta = - 7 \div 2$

$\alpha + \beta + \alpha \beta = 5 \div 2 - 7 \div 2$

$\alpha + \beta + \alpha \beta = 2.5 - 3.5$

Answer 2

Answer:

answer is

$\frac{ - b}{a} + \frac{c}{a}$

$= \frac{ c - b}{a}$

Step-by-step explanation:

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

$\alpha \beta = \frac{ c}{a}$