Question

C-)$x^{2}-3x-2=0$ D-)$x^{2}-10x+25=0$ achar delta, bhaskara.

Answer 1

∆=b²-4ac
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
C)x²-3x-2=0

a)1
b)-3
c)-2

∆=(-3)²-4(1)(-2)
∆=9+8
∆=17

D)x²-10x+25

a)1
b)-10
c)25

∆=(-10)-4(1)(25)
∆=100-100
∆=0