Question

(2x^2-5x+1)+(x^2-x-4)

Answer 1

3x^2-6x -3

Explanation:

(2x^2-5x+1)+(x^2-x-4)

we sum all coefficient according to the exponent of the variable

2x^2-5x+1+x^2-x-4 = 3x^2-6x -3