How to factorise this? !
4x-14xy

What are the soultion(s) to the quadratic equation 40- x^2=0

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.