Question

5+8x² =-5x; write to find out discriminat value of quadratic equation
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Answer 1

Step-by-step explanation:

-15

Determinant =

${b}^{2} \: - 4ac$

Equation is

5+8x² =-5x

8x²+5x+5=0

Now, a=8, b=5, c=5

Determinant =

${5}^{2} - 8 \times 5$

= 25-40

=-15