contestada

I have the answers but need help solving step by step

13.   Write a quadratic equation that will have a solution of only x = 0. Note: this means there will be a double solution of x = 0.
 
y = x^2
 
14.   Write a quadratic equation that cannot be factored.
 
y = x^2 + 1
 
15.   The product of two consecutive positive integers is 72. Find the integers.
 
Two consecutive positive integers are 8 and 9 both have a product of 72.