A.\(\left( {2x + 3} \right)\left( {2x + 1} \right)\)
B.\(\left( {2x - 3} \right)\left( {2x - 1} \right)\)
C.\(\left( {2x + 3} \right)\left( {2x - 1} \right)\)
D.\(\left( {2x - 3} \right)\left( {2x + 1} \right)\)

A.\(\left( {2x - 1} \right)\left( {x - 3} \right)\)
B.\(\left( {2x + 1} \right)\left( {x - 3} \right)\)
C.\(\left( {2x + 1} \right)\left( {x + 3} \right)\)
D.\(\left( {2x - 1} \right)\left( {x + 3} \right)\)

A.\(\left( {3x + 1} \right)\left( {2x - 3} \right)\)
B.\(\left( {3x - 1} \right)\left( {2x - 3} \right)\)
C.\(\left( {3x - 1} \right)\left( {2x + 3} \right)\)
D.\(\left( {3x + 1} \right)\left( {2x + 3} \right)\)

A.\(\left( {x - 1} \right)\left( {{x^2} + 3x - 8} \right)\)
B.\(\left( {x + 1} \right)\left( {{x^2} + 3x + 8} \right)\)
C.\(\left( {x - 1} \right)\left( {{x^2} - 3x - 8} \right)\)
D.\(\left( {x + 1} \right)\left( {{x^2} - 3x + 8} \right)\)

A.\(\left( {x - 1} \right)\left( {{x^2} + 3x - 8} \right)\)
B.\(\left( {x + 1} \right)\left( {{x^2} + 3x + 8} \right)\)
C.\(\left( {x - 1} \right)\left( {{x^2} - 3x - 8} \right)\)
D.\(\left( {x + 1} \right)\left( {{x^2} - 3x + 8} \right)\)

A.\(x \in \left\{ {1;\,\,2} \right\}\)
B.\(x \in \left\{ { - 4;\,\, - 1;\,\,1;\,\,4} \right\}\)
C.\(x \in \left\{ { - 2;\,\, - 1;\,\,1;\,\,2} \right\}\)
D.\(x \in \left\{ { - 2;\,\,0;\,\,2} \right\}\)

A.\(x \in \left\{ { - 4; - 5} \right\}\)
B.\(x \in \left\{ { - 4;5} \right\}\)
C.\(x \in \left\{ {4; - 5} \right\}\)
D.\(x \in \left\{ {4;5} \right\}\)

A.\(x \in \left\{ {1;\,\,2} \right\}\)
B.\(x \in \left\{ {1;\,\, - 2} \right\}\)
C.\(x \in \left\{ { - 1;\,\,2} \right\}\)
D.\(x \in \left\{ { - 1;\,\, - 2} \right\}\)

A.\(x \in \left\{ {1;\,\,2021} \right\}\)
B.\(x \in \left\{ { - 1;\,\,2021} \right\}\)
C.\(x \in \left\{ { - 1;\,\,2020} \right\}\)
D.\(x \in \left\{ {1;\,\,2020} \right\}\)

A.\(x \in \left\{ {1;\,\,2021} \right\}\)
B.\(x \in \left\{ { - 1;\,\,2021} \right\}\)
C.\(x \in \left\{ { - 1;\,\,2020} \right\}\)
D.\(x \in \left\{ {1;\,\,2020} \right\}\)