Question

2) Solve the following quadratic equation by Formula method. x² - 4x-3=0​

Answer 1

Answer:

Step-by-step explanation:

x²-4x-3=0,

x=[4+-√{(-4)²-4×1×(-3)}]/2,

x=[4+-√{16+12}]/2,

x=[4+-√(28)]/2,

x=[4+-4√7]/2,

x=[2+-2√7],

then

x=(2+2√7),

and

x=(2-2√7)