Question

x2 - 9x +9=0 solve this equation
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Answer 1

Step-by-step explanation:

a=1 b=9 c= 9

b²-4ac》0 so root are real roots are -b/2.a+or-root of b²-4ac/2a root1= -9/2+root45/2=-1.146 and root2=-9/2-root45/2= -7.584

Answer 2

Answer:

9/7

Step-by-step explanation:

2x-9x+9=0

-7x+9=0

-7x= -9

x= -9/7