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Solve x^2+6x+15=0 using the quadratic formula

Solve x^2+6x+15=0 using the quadratic formula
asked 114k views
2 votes
Solve x^2+6x+15=0 using the quadratic formula

asked
User SkyzohKey
by
8.3k points

2 Answers

2 votes
no real solutions is your answer
answered
User Knocked Loose
by
8.4k points
6 votes
x = [-b±√b²-4ac]/2a
x= [-6±√{6² -4×1×15} /2×1
x= [-6±√(36- 60)]/2
x= [-6±√-24]/2
x= [-6± í2√6] /2
x = -3±2√6ì
x= -3+2√6ì or x= -3-2√6ì

where ì= √-1
answered
User Hassan Saleh
by
7.9k points
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