Toán Lớp 8: Phân tích đa thức thành nhân tử
a) 5x^2 – 10xy + 5y^2 – 20z^2
b) x^2 – z^2 + y^2 – 2xy
c) a^3 – ay – a^2x + xy
d) x^2 – 2xy – 4z^2 + y^2
e) 3x^2 – 6xy + 3y^2 – 12z^2
f) x^2 – 6xy – 25z^2 + 9y^2
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Toán Lớp 8: Phân tích đa thức thành nhân tử
a) 5x^2 – 10xy + 5y^2 – 20z^2
b) x^2 – z^2 + y^2 – 2xy
c) a^3 – ay – a^2x + xy
d) x^2 – 2xy – 4z^2 + y^2
e) 3x^2 – 6xy + 3y^2 – 12z^2
f) x^2 – 6xy – 25z^2 + 9y^2
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