Maybe u should do inverse operation on both sides idk but just try it
Answer:
I believe your answer would be C
Step-by-step explanation:
a || b,
m+125=180° ( straight angle)
m= 180-125° =55°
Step-by-step explanation:
4x2 - 25b2
We can solve it by the squares so
(2x - 5b) (2x + 5b)
2) x2 - 81
The same case is here so
(x - 9) (x + 9)