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Giải các pt sau:
a)[TEX]2x^2-5x+2=4 \sqrt[]{2(x^3-21x-20)}[/TEX]
b)[TEX]\sqrt[3]{14-x^3}+x=2(1+ \sqrt[]{x^2-2x-1})[/TEX]
c)[TEX]\sqrt[]{5-x}+\sqrt[]{x-1}=-x^2+2x+1[/TEX]
d)[TEX]4x^2-4x-10=\sqrt[]{8x^2-6x-10}[/TEX]
a)[TEX]2x^2-5x+2=4 \sqrt[]{2(x^3-21x-20)}[/TEX]
b)[TEX]\sqrt[3]{14-x^3}+x=2(1+ \sqrt[]{x^2-2x-1})[/TEX]
c)[TEX]\sqrt[]{5-x}+\sqrt[]{x-1}=-x^2+2x+1[/TEX]
d)[TEX]4x^2-4x-10=\sqrt[]{8x^2-6x-10}[/TEX]