Question

P=[0.2 2x x]
What is x if P has to equal 1?

Answer 1

Seems to me that there has to be some math operator between 0.2 and 2x, and also between 2x and x. Could you possibly have meant [0.2 * 2x * x]?

Answer 2

Pls make absolutely sure you've copied this problem down from its original format exactly. Or take and share a screen shot.

Answer 3

actually it is copied down exactly. It is a matrix problem.