Use the quadratic formula to find the roots of the equation. Round to tenths if necessary. x2 + x +10 = 0
A. {3.2}
B. {-5.5, -2}
C. {-3.2, 3.2}
D. no real number solution

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well, this is very easy if you know the quadratic formula

\[-b \pm \sqrt{b^2-4ac}/2a\]

this is D. BECAUSE DISCRIMINANT IS LESS THAN ZERO

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