What are the approximate solutions of 2x^2 + x = 14, rounded to the nearest hundredth?
1 answer:
Hello,
2x²+x-14=0
Δ=1+4*14*2=113
x=(-1-√113)/4=-2,8839...≈-2.88
or x=(-1+√113)/4=2,40753≈2.41
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