Question

$\huge \mathbf \pink{simplify:}$
2x²+5x-1+8x+x²+7-6x+3-3x².​

Answer 1

Answer: 6x-9

Explaination:

(2x^2+x^2-3x^2)+(5x+8x-6x)+(-1+7+3)

(2x^2 means square only)

(+3x^2-3x^2)+(13x-6x)+(-1+10)

7x+9. (as +3xsq. -3xsq. is 0)