You just subtract it 125 - 1.82 and it gives you 123.88. i dont know how else to explain
If you look at the graph of sin(n), you can notice that it oscillates every kpi/2 when k is odd. This oscillation proves that sin(n) diverges.
The answer will be (x-9) with a little two in the corner *2
Step-by-step explanation:
4a² - 8ab + 4b²
= (2a)² - 2 * 2a * 2b + (2b) ²
= (2a - 2b) ²
Hope it helps :)