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Best Answer
if you meant: (-3)x²-5x+1=8x²-2x-9
x=(±√(449)-3)/22 ≈ -0.1363636363636 ± 1.9263291000379
x1=(√(449)-3)/22 ≈ 0.8268009136553
x2=(-√(449)-3)/22 ≈ -1.0995281863826
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