Which expression is equivalent to (x^1/2 y^-1/4 z)^-2 ?

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

Can someone me with my math problem pls my teacher is on my back about this