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put this solution on YOUR website! Find the complex solutions to the quadratic equation
x^2+6x+10=0
x² + 6x + 10 = 0
Use the quadratic formula:
______
-b ± Öb²-4ac
x = —————————————
2a
where a = 1; b = 6; c = 10
_____________
-(6) ± Ö(6)²-4(1)(10)
x = ————————————————————————
2(1)
_____
-6 ± Ö36-40
x = —————————————
2
__
-6 ± Ö-4
x = ———————————
2
____
-6 ± Ö-1·4
x = ————————————
2
_
-6 ± iÖ4
x = ———————————
2
-6 2i
x = ———— ± ————
2 2
x = -3 ± i
Using the +, x = -3 + i
Using the -, x = -3 - i
Edwin
