Question

Phan tich da thuc sau thanh nhan tu:

3(x²+x+1)−(x²+x+1)²

Answer 1

\(3\left(x^2+x+1\right)-\left(x^2+x+1\right)^2\)

\(=\left(x^2+x+1\right)\left(3-x^2-x-1\right)\)

\(=\left(x^2+x+1\right)\left(2-x^2-x\right)\)

Answer 2

3(x²+x²+1) hay 3(x²+x+1) vậy ??