Question

Find the value of x in
x^2 - 6x - 18

Answer 1

Answer:

3+3√3 and 3-3√3

Step-by-step explanation:

x=( -b + √b^2 - 4ac )/ 2a

OR

x. =(-b - √b^2 - 4ac )/2a

x=[ -(-6) + or - √ 6^2 - 4*1*(-18)] /2(1)

x= [ 6. + or - √ 108 ]. /2

x = 3 + 3√3 or 3 - 3√3