Toán Lớp 8: x^2-5x+1 chia hết cho x-2
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Toán Lớp 8: x^2-5x+1 chia hết cho x-2
hộ mình với
Comments ( 1 )
=\frac{x^2-2x-3x+1}{x-2}
=\frac{x(x-2)-3x+1}{x-2}
=\frac{x(x-2)}{x-2}+(-3x+1)/(x-2)