On a mathematical problem? X ^ 2 + 4x + 8 = 4x + 11 can we use the formula method? But I only ask if it is enough to use formula method?

On a mathematical problem? X ^ 2 + 4x + 8 = 4x + 11 can we use the formula method? But I only ask if it is enough to use formula method?

Certainly.
x²-3=0
a=1,b=0,c=-3
b²-4ac=12=(2√3)²
So x = [- 0 ± 2 √ 3] / 2
So X1 = - √ 3, X2 = √ 3