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Alinara [238K]
3 years ago
7

Which of the following is a solution of x2 − 10x = –36? negative 5 minus i square root of 10 5 plus i square root of 61 negative

5 minus i square root of 11 5 plus i square root of 11
Mathematics
1 answer:
Serga [27]3 years ago
5 0
X^2 - 10x + 36 = 0;
We use the quadratic formula: x = ( - b + or - i\sqrt{ -b^{2}+4ac })/ (2a);
We have a = 1; b = -10; c = 36;
Then, x = ( 10 + or -i\sqrt{44})/2 = 5 + or - \sqrt{11})/2 ;
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