Msharris Msharris

03-06-2017
Mathematics

contestada

F(x) =2x^2-20x-3
I need help solving this problem

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Аноним Аноним

03-06-2017

y = 2x² - 20x - 3

Δ = b² - 4.a.c
Δ = (-20)² - 4.(2).(-3)
Δ = 400 + 8
Δ = 408

x = -b +- √Δ/2a
x = 20 +- 2√102/4
x = 10 +- √102/2

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