Question

From the sum of x2+x+1 and x2-x+1, subtract-x2-x+1

Answer 1

Answer:

3x² + x + 1

Step-by-step explanation:

⇒ [(x²+x+1) + (x²-x+1)] - (-x²-x+1)

⇒ (2x² + 2) - (-x²-x+1)

⇒ 3x² + x + 1