find the roots of x^2+2x-5=0
Answers
Answered by
0
Step-by-step explanation:
x square+2x-5=0
2x+2x-5=0
x-5=0
x=0+5
x=5
Answered by
1
Answer:
-1 ±√6
Step-by-step explanation:
x² + 2x - 5 = 0
a = 1, b = 2 , c = -5
we know x = -b±√b² - 4ac / 2a
x = -2 ± √4 + 20/2 = -2 ±√24/2
= -2 ± 2√6/2 = -1 ±√6.
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