Question 188659
Solve the equation. Write the solutions in the form a+bi.
x^2+10x+30=0
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Quadratic formula:
x = [-10 +- sqrt(100 - 4*1*30)]/2

x = [-10 +- sqrt(-20)]/2

x = [-10 +- 2isqrt(5)]/2

x = [-5 +- isqrt(5)]
x = (-5 + isqrt(5)) or x = (-5 - isqrt(5))
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Cheers,
Stan H.