Question

find the value of 3x -6X2 + 7at x=2​

Answer 1

Answer:

198 is your answer plz mark me as nrainleast

Answer 2

Answer:

the sum of all three angles are 180 degree

3x+2x+4x-7-11=180

9x-18=180

9x=180+18

9x=198

x=198/9

x=22 degree

1st angle 3x=3x22=66

2nd angle 2x-7 2x22-7=37

3rd angle 4x-11=4x22-11=77

Answer 66 degree

37 degree

77 degree