Question

Which of the following correctly simplifies (9x2+17x+13)−(2x2+12x+11)
(
9
𝑥
2
+
17
𝑥
+
13
)
−
(
2
𝑥
2
+
12
𝑥
+
11
)
?(1 point)
Responses

12x2+2
12
𝑥
2
+
2
12 x squared plus 2

9x2+17x+13−2x2−12x−11
9
𝑥
2
+
17
𝑥
+
13
−
2
𝑥
2
−
12
𝑥
−
11
9 x squared plus 17 x plus 13 minus 2 x squared minus 12 x minus 11

7x2+5x+2
7
𝑥
2
+
5
𝑥
+
2
7 x squared plus 5 x plus 2

7x2+29x+24

Answer 1

7x^2 + 5x + 2

Work: (9x^2+17x+13) − (2x^2+12x+11) = 9x^2−2x^2 + 17x−12x + 13−11 = 7x^2 + 5x + 2.