tolong bantuin kerjakan soal 22

x₁+x₂= 1/4
x₁.x₂=-5/4
16x² + 41x +25
x₁² +x₂² =
(x₁+x₂)₂ - 2 x₁.x₂
(1/4)²-2.(-5/4)² = 41/16
x₁² . x₂² = (x₁.x₂)₂ = (-5/4)² = 25/16
x²+41/16x+25/16
16x²+41x+25