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2.1. {3 {x}^{2} } + {5 x}+ {17 x}-{{x}^{2} }.
{2 {x}^{2} } + {22 x}
2.2. {{\left( x - 1 \right)} {\left( x - 1 \right)} \left( {2 x} - 3 \right)}.
{{\left( x - 1 \right)}^{2} \left( {2 x} - 3 \right)}
{{\left( x - 1 \right)}^{2} \left( {2 x} - 3 \right)}
2.3. : {{\left( x - 1 \right)} \left( {x}^{2} - 1 \right)}.
{x}^{3} - {x}^{2} - x + 1
2.4. : {{3}{x}{\left( x - 6 \right)} -\left( {2}{x}^{2} - 14 \right)}.
{-2 {x}^{2} } + {{3 \left( x - 6 \right)} x} + 14
{x}^{2} - {18 x} + 14
2.5. : {{\left( x - 1 \right)} \left( {x}^{2} - {2}{x} + 2 \right)}.
{\left( x - 1 \right) \left( {x}^{2} - {2 x} + 2 \right)}
{x}^{3} - {3 {x}^{2} } + {4 x} - 2
2.6. {{x}^{12}-1}.
{{{{{\left( x - 1 \right) \left( x + 1 \right)} \left( {x}^{2} + 1 \right)} \left( {x}^{2} - x + 1 \right)} \left( {x}^{2} + x + 1 \right)} \left( {x}^{4} - {x}^{2} + 1 \right)}
2.7. {{a}^{2}-{ab}-{4a}+{4b}}.
{\left( a - 4 \right) \left( a - b \right)}
2.8. {{ax}+{ay}-{az}+{nx}+{ny}-{nz}}.
\left(x,
y,
z,
a,
n\right)
{-n z} - {a z} + {n y} + {a y} + {n x} + {a x}
{\left( n + a \right) \left( -z + y + x \right)}
2.9. {\sqrt[3]{x}+{\frac{1}{8}}{\sin \left( {10 x} \right)}} {{x}={2}}.
\frac{\sin \left( {10 x} \right)}{8} + {x}^{\frac{1}{3}}
\frac{\sin \left( 20 \right)}{8} + {2}^{\frac{1}{3}}
1.37403920623583
2.10. {{a}^{2}-{ab}-{4a}+{4b}} {{b}={2}}.
{-a b} + {4 b} + {a}^{2} - {4 a}
{a}^{2} - {6 a} + 8