College Algebra 7th Edition

quadratic $W=x+1$ $W^{2}-5W+6=0$
The equation $(x+1)^{2}-5(x+1)+6=0$ is of ___quadratic___ type. To solve the equation, we set ___$W=x+1$___. The resulting quadratic equation is ___$W^{2}-5W+6=0$___.