Each of the following quadratic equations can be solved by factoring. Which equation has only one distinct solution?(1 point) Responses x^2−4=0 x squared minus 4 equals 0 x^2+4x+4=0 x squared plus 4 x plus 4 equals 0 x^2+5x+4=0 x squared plus 5 x plus 4 equals 0 x^2−5x+4=0

The equation that has only one distinct solution is x^2−4=0.