Question

2x + 5x – X^2-9x + 3x² – 2x

Answer 1

Collect like terms.

(2x+5x-9x-2x)-{x}^{11}+3{x}^{2}(2x+5x−9x−2x)−x11+3x2

Simplify.

-4x-{x}^{11}+3{x}^{2}−4x−x11+3x2

Done

Answer 2

7x - 9x - 2x+ 3x^2 - x^2

7x - 11x + 2x^2

2x^2 - 4x