Resuelva el sistema de ecuaciones lineales seleccionado utilizando el método de eliminación de GaussJordán. C. \( \left\{\begin{array}{c}-x-y-4 z=8 \\ 3 x+4 y+2 z=10 \\ 23 x+27 y+22 z=12\end{array}\right. \)

Solve for x: If \( 3\text{\log}(x) = 6 \), what is x?

Use synthetic division to find the quotient and remainder for \( \frac{-x^{3}+26 x-5}{x-5} \)

Use synthetic division to find the quotient and remainder for \( \frac{-x^{3}+26 x-5}{x-5} \) The quotient is: The remainder is:

Find a degree 3 polynomial with real coefficients having zeros 3 and \( 3 i \) and a lead coefficient of 1 . Write \( P \) in expanded form. Be sure to write the full equation, including \( P(x)= \).

If \( \mathbf{a}, \mathbf{b}, \mathbf{c} \) are the roots of \( x^{3}+4 x+1=0 \) then \( \sum \frac{1}{a+b} \)