Evaluating the expression you entered
Factor out a variable portion of x2
Factor out x2 from 1x4
Our new x variable piece becomes
x(4 - 2) = x2
Our new term becomes x2
Factor out x2 from -3x3
Our new x variable piece becomes
x(3 - 2) = x1
Our new term becomes -3x
Factor out x2 from -40x2
Our new x variable piece becomes
x(2 - 2) = x0 = 1
Our new term becomes -40
