Answer:
−10x4+17x2y−6y2-10x4+17x2y-6y2
or the second option
Step-by-step explanation:
Mines came up as 79.78 but ion think that’s right
166.67 is answer of this question
8
5 1/4 =5.25
42/5.25 = 8
8×5.25 = 42
