Question 163521
2b-3c+d=a replace the variables b,c,d and a with the equivalent values

2x^2-3x+14=23

Subtract 14 from both sides

2x^2-3x=9

Subtract 9 from both sides

2x^2-3x-9=0 This is a quadratic equation
*[invoke quadratic "x", 2, -3, -9]