\( 5 a^{3}+a-3 \) ва \( -2 a^{3}+4 a+5 \)

Решите систему неравенств. \( \left\{\begin{array}{l}4 x>0 \\ \frac{1}{5} x \geq-1\end{array}\right. \) Ваш ответ:

4. (20б) Решите систему \( \left\{\begin{array}{c}2 z_{1}-3 i z_{2}=3 i \\ (3-2 i) \cdot z_{1}-i z_{2}=1+2 i\end{array}\right. \)

Write a simplified algebraic expressions for the phrase "two thirds of the difference of \( x \) from \( y \) adided to twice \( x \).

\( P(x)=x^{2}-x-3 \) olduğuna göre, \( P(x+1)+P(x-1) \) ișleminin sonucu nedir?

Usa logaritmos para encontrar el valor de x en la ecuación: \( 3^{x} = 1/9 \).