Topic
Q:
438. Муодиларо хал кунед:
а) \( 165,64-(y-12,5)=160,54 ; \)
Q:
implifica la expresión:
\[ (x+3)\left(-4 x^{3}+5 x^{2}+8\right) \]
Q:
implifica la expresión:
\[ \frac{x^{2}-x-12}{x^{2}-16}= \]
Q:
Solve simultaneously for \( x \) an
\[ x(x-3)+y(3-x)=0 \]
Q:
Data la funzione \( f(x)=\sqrt{x+8}-x \), qual è la controimmagine di \( 6 ? \)
Q:
7. Andre incorrectly solved the equation at the right. Identify Andre's
mistake. Then, solve the equation to find the correct solution. \( \begin{array}{c}8 x+2 x(5-10)=110 \\ 10 x(5-10)=110 \\ 50 x-100 x=110 \\ -50 x=110 \\ x=2.2\end{array} \)
Q:
52. Las raices de la ocuación
\( 2 x^{2}+5 x-3=0 \) son
Q:
Divide as indicated.
\( \frac{x^{2}+5 x}{8}+\frac{x+5}{4} \)
\( \frac{x^{2}+5 x}{8}+\frac{x+5}{4}=\square \) (Simplify your answer.)
Q:
Divide and simplify.
\( \frac{y^{2}-81}{y}+\frac{y+9}{y+4} \)
\( \frac{y^{2}-81}{y}+\frac{y+9}{y+4}=\square \)
(Simplify your answer.)
Q:
6) \( y=6 x^{2}-x-1 \)
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