How would you factor 5x¯¾ +35x¼ ??

My answer is 5x¼ (x¯¹ + 7) but its wrong..can somebody please hellp!!

the usual notation for your question on this forum would be

5x^(3/4) + 35x^(1/4)

so..
= 5x^(1/4)(x^(1/2) + 7)