Answer :
x^2 -4x +20 = 0
Equation in the form:
ax^2+bx +c = 0
Where:
a= 1
b= -4
c=20
Apply the quadratic formula:
[tex]x=\frac{-b\pm\sqrt[]{b^2-4\cdot a\cdot c}}{2\cdot a}[/tex]x^2 -4x +20 = 0
Equation in the form:
ax^2+bx +c = 0
Where:
a= 1
b= -4
c=20
Apply the quadratic formula:
[tex]x=\frac{-b\pm\sqrt[]{b^2-4\cdot a\cdot c}}{2\cdot a}[/tex]