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ajutorrrrrrrrrrr !!!!.. trebuie 20 de caractere ):)))))

Ajutorrrrrrrrrrr Trebuie 20 De Caractere class=

Răspuns :

delta = 4^2 - 4×(-12) = 16 + 48 = 64 =>radical din delta = 8
x1=(-4-8)/2=-6
x2=(-4+8)/2=2
notam
[tex]f(x) = {x}^{2} + 4x - 12[/tex]
️=b×b-4ac=4×4-4×1×(-12)=16+48=64
[tex]x1.2 = \frac{ - b + sau - \sqrt{delta} }{2a} [/tex]
X1=(-4+8)÷2=4÷2=2
X2=(-4-8)÷2=-12÷2=-6