Question

write a quadratic equation in the variable x having the given numbers as solution. Type the equation in standard form, ax^2+bx+c=0
solution 4, only solution

Answer 1

You left out the numbers
assume p and q
then
(x-p)(x-q) = 0
multiply it out

Answer 2

no numbers left out

Answer 3

So what were the given numbers?

Answer 4

Oh, you mean the number 4 is the solution? Then 4 and 4
(x-4)(x-4) = 0
x^2 - 8 x + 16 = 0