find the resl root of the quadratic equation 3x^2-5x-2=0
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Step-by-step explanation:
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Answered by
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Answer:
2 or ⅓
Step-by-step explanation:
a=3 b=(-5) c=(-2)
∆= b²- 4ac
=(-5)²- 4×3×(-2)
=25-12×(-2)
=25-(-24)
=25+24
=49
x = [b+/-√∆]/2a
= [(-5)+/-√49]/2×3
= [(-5)+/-7]/6
x=-5-7/6 or x=-5+7/6
= -12/6 or 2/6
= -2 or ⅓
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