Question

factorise 2x - 1 upon 3 square- x-1upon2 square​

Answer 1

Answer:

Step-by-step explanation:1) Given x² + x + 1 = (x² + 2x + 1) - (x) = (x+1)² - (√x)²  

2) the above is of the form a²  - b² = (a+b)(a-b)

3) Hence, (x² + 2x + 1) - (x) = (x+1)² - (√x)² = (x + √x + 1)*(x - √x + 1)