Question

simplify (x^2+3x-4)+(4x^2-2x+7)+(-x^2-5x-2) ​

Answer 1

Answer:

4x^2-4x+1

Step-by-step explanation:

(x^2+3x-4)+(4x^2-2x+7)+(-x^2-5x-2) ​

or, (x^2+4x^2-x^2)+(3x-2x-5x)+(-4+7-2)

or, 4x^2-4x+1