Question

HELP MEEEEE
Find all solutions of the equation and express them in the form
a + bi.
x2 − 18x + 82 = 0

Answer 1

(x-9)^2

Answer 2

no 9x9 =81, this is why factorizing this equation will give a complex number

Answer 3

9+i or 9-i

Answer 4

this is in the form a +ib

Answer 5

if you find it difficult to figure it out in your head then use the quadratic formula

Answer 6

if you want to check if the answer is correct or not, try multiplying the following (x-9-I)*(x-9+I), you should get the equation provided in the question.