Question

can someone please help me.. :(

Answer 1

what up?

Answer 2

what is \[\sqrt{125}-\sqrt{245}-\sqrt{45}=\]

Answer 3

5sqrt5 - 7sqrt5 - 3sqrt5 = -5sqrt5

Answer 4

\[=\sqrt{25*5}-\sqrt{49*5}-\sqrt{9*5}\]all the perfect squares com e ou tof the radical\[=5\sqrt{5}-7\sqrt{5}-3\sqrt{5}\]then add them together since they are "like radical terms"\[=(5-7-3)\sqrt{5}\]\[=-5\sqrt{5}\]