Topic
Q:
Simplify the polynomial, then evaluate for \( x=-3 \).
\( -x^{2}+2 x-2 x^{2}-3 x+4+x^{2} \)
Q:
Solve.
\( \begin{array}{l}-3 x-5 y=5 \\ 5 x+5 y=15\end{array} \)
\( (\square, \square) \)
Submit
Q:
How many elements are there in a complete solution to \( x^{2}+7 x+2 \equiv 0(\bmod 41) ? \)
Q:
Resuelve el siguiente sistema de ecuaciones lineales por
el método de sustitución, eliminación y igualación:
\[ \begin{array}{c}3 x-2 y=7 \\ x+y=4\end{array} \]
Q:
1) Solve.
\( \begin{array}{l}\text { y }=-4 x-3 \\ y=-5 x-6\end{array} \)
\( (\square, \square) \)
Submit
Q:
What are the solutions to the quadratic equation
\( 8(x+3)^{2}+72=3600 \) ? Your answers should be either
integers, fractions, or in simplified radical form.
Q:
Решите неравенство \( 4^{x-3}-2^{x-3}\left(16-x^{2}\right)-16 x^{2} \geq 0 \)
Q:
Simplify: \( \frac{4\left(f^{4}\right)^{2} f}{8 f^{10}} \)
Your answer should contain only positive exponents.
Q:
( Evaluate \( 4 a^{0} \) where \( a=-2 \)
Q:
Factorar o descomponer:
(1) \( a^{2}-10 a+25= \)
(2) \( 16+40 x^{2}+25 x^{4}= \)
(3) \( 4 x^{2}-12 x y+9 y^{2}= \)
(4) \( 121+198 x^{6}+81 x^{12}= \)
(5) \( 49 m^{6}-70 a m^{3} n^{2}+25 a^{2} n^{4}= \)
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