\({x^2} - 2xy + {y^2} - 9.\)
A.\(\left( {x + y - 3} \right)\left( {x + y + 3} \right)\)
B.\(\left( {x - y - 2} \right)\left( {x - y + 2} \right)\)
C.\(\left( {x + y - 2} \right)\left( {x + y + 2} \right)\)
D.\(\left( {x - y - 3} \right)\left( {x - y + 3} \right)\)
A.\(\left( {x + y - 3} \right)\left( {x + y + 3} \right)\)
B.\(\left( {x - y - 2} \right)\left( {x - y + 2} \right)\)
C.\(\left( {x + y - 2} \right)\left( {x + y + 2} \right)\)
D.\(\left( {x - y - 3} \right)\left( {x - y + 3} \right)\)
Loga
Hóa Học lớp 12
