Simplify the following by use of common factors: \[ \frac{4 a c-16 a^{2}-b c+4 a b}{c-4 a}+4 \]

Which expressions are equivalent to the given expression? \( 5 \log _{10} x+\log _{10} 20-\log _{10} 10 \)

В ар иант 2 1. Преобразуйте в многочлен. а) \( (x-6)^{2} ; \)

Encuentra el resultado utilizando la propiedad de potencias: \( (a^{2b})^{3} \)

uisl 3 a) \( x^{2}-12=0 \) b) \( 4 x^{2}-7 x=0 \) c) \( 6 x+12 x^{2}=0 \)

Enter the correct answer in the box. Rewrite the expression \( 2 \sqrt[4]{x^{7}} \) using rational exponents. \( \begin{array}{lll}\frac{\square}{\square} & \text { (ㅁ) } \mid \text { 미 } \square^{\square} \mid+--\end{array} \)