Answer:
2nd choice
Step-by-step explanation:
X^2 - 10x + 36 = 0;
We use the quadratic formula: x = ( - b + or - i

)/ (2a);
We have a = 1; b = -10; c = 36;
Then, x = ( 10 + or -i

)/2 = 5 + or -

)/2 ;
The answer is x equals 1/2.
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