Toán Lớp 8: Phân tích đa thức 6x 2 -2xy -9x +3y thanh nhan tu
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Toán Lớp 8: Phân tích đa thức 6x 2 -2xy -9x +3y thanh nhan tu
Comments ( 2 )
$=(6x^2-2xy)-(9x-3y)$
$=2x(3x-y)-3(3x-y )$
$=(3x-y)(2x-3)$