/x^2-6x/=9
Or
/x^2-6x/=-9
re-check the question.
How many solutions are there to the equation |x^2-6x|=9?
3 answers
/x^2-6x/=9
two cases to start:
x^2 - 6x = 9 or -x^2 + 6x = 9
#1:
x^2 - 6x - 9 = 0
two solutions
#2:
x^2 - 6x + 9 = 0
(x-3)^2 = 0
x = 3
so there are 3 solutions.
You asked "how many"
x^2 - 6x = 9 or -x^2 + 6x = 9
#1:
x^2 - 6x - 9 = 0
two solutions
#2:
x^2 - 6x + 9 = 0
(x-3)^2 = 0
x = 3
so there are 3 solutions.
You asked "how many"
1 answer