Question

pls help me out in this problem thanks for the help in advance :)

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Answer 1

Answer:

$3x^{2} -2x-5$.

Step-by-step explanation:

$\alpha +\beta = \frac{2}{3}$  and $\alpha \beta = -5$

so, put in a formula

K($x^{2} - (\alpha +\beta)x + \alpha \beta$)=0

K($x^{2} -\frac{2}{3}x+(-5)$)=0 [Take LCM]

K($3x^{2} -2x-5$)=0

The final answer is $3x^{2} -2x-5$.