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Gabrielaandreea655
a fost răspuns

× la puterea a 2 a -15×+50=0​

Răspuns :

1DianaMaria3

[tex] {x}^{2} - 15 + 50 = 0[/tex]

a=1

b=15

c=50

∆=b²-4ac. formula

∆=15²-4x1x50

∆=225-200

∆=25

x1= - b+✓∆ / 2a. formula

x1=-15+5/2

x1=20/2

x1=10

x2=-b-✓∆/2a. formula

x2=-15-5/2

x2=-20/2

x2=-10

x={-10;10}

Bafta!!!

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