Hello, I am new here... so here I go.

I am trying to figure out how to solve for a variable which I call x in the following equation

(D(i)^3-x^3)*N(i) + (D(i+1)^3-x^3)*N(i+1)... (D(n)^3-x^3)*N(n)= m

I know the values of D, N and I know the constant m.

I appreciate your help.

Thanks