Find the roots of quadratic equation 5 x square - 6 x minus 2 is equal to zero
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28
Answer:
Roots are x = (3±√14)/5
Explanation:
Compare 5x²-6x-2=0 with
ax²+bx+c=0 we get
a = 5, b = -6 , c = -2
Discreminant (D) = b²-4ac
= (-6)²-4×5×(-2)
= 36 + 40
= 76
By Quadratic Formula:
x = [(-b±√D)/2a]
= [-(-6)±√76]/(2×5)
= ( 6±2√14)/10
= (3±√14)/5
Therefore,
Roots are x = (3±√14)/5
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hope this helps you sorry for late
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