5(а²-1)-5а(а+2)>3 inequation

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5*\a  - 1/ - 5*a*(a + 2) > 3

$$- 5 a \left(a + 2\right) + 5 \left(a^{2} - 1\right) > 3$$

-5*a*(a + 2) + 5*(a^2 - 1) > 3

Rapid solution [src]

And(-oo < a, a < -4/5)

$$-\infty < a \wedge a < - \frac{4}{5}$$

(-oo < a)∧(a < -4/5)

Rapid solution 2 [src]

(-oo, -4/5)

$$x\ in\ \left(-\infty, - \frac{4}{5}\right)$$

x in Interval.open(-oo, -4/5)