Question

factorise x² + y² + 4z² - 2xy + 4yz - 4x

simple class 9 standerd answer quick please​

Answer 1

Step-by-step explanation:

Use- (x-y-z) ^2 = x^2+y^2+z^2-2xy+2yz-2xz

Answer 2

Answer:

Republic Day

 is celebrated on January 26 every year to remember the day when the Constitution of India came into effect after India gained independence after a very long freedom struggle. On Republic Day, flag hoisting ceremonies and parades by armed forces and school children are held in different parts of the country. The grandest and most important of these parades is held at Rajpath in New Delhi, which showcases a vibrant image of the country's rich cultural heritage and military prowess.