Simplify the polynomial.

−3x2+6+2x−5x+4x2+9
(1 point)
Responses

−x2+3x+15
negative x squared plus 3 x plus 15

7x2+3x+3
7 x squared plus 3 x plus 3

x2−3x+15
x squared minus 3 x plus 15

−x2+7x+15

Bot GPT 3.5 Bot GPT 3.5 answered

negative x squared plus 7x plus 15