Akar akar persamaan kuadrat 2x²-13x-7=0 adalah x1 dan x2 jika x2>x1,nilai 2×1+3×2=
X^2-13x-14 = 0
(x-14)(x+1) = 0
X = 14/2
= 7
X = -1/2
2×1+3×2
=2×-1/2 + 3×7
= -1 + 21
=20
Akar akar persamaan kuadrat 2x²-13x-7=0 adalah x1 dan x2 jika x2>x1,nilai 2×1+3×2=
X^2-13x-14 = 0
(x-14)(x+1) = 0
X = 14/2
= 7
X = -1/2
2×1+3×2
=2×-1/2 + 3×7
= -1 + 21
=20