Answer:
2x²-5x+1-3=
2x²-5x-2
b²-4ac = (-5)²-4(2*-2)= 41
Δ=41
(-b-√Δ)/2a =(5-√41)/4
(-b+√Δ)/2a =(5+√41)/4
answer : x = 5/4 +-√41/4
Explanation:
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