展开 (8x^2y-4y^2z)(8x^2y+4y^3z)

解答

展开

(8 x^{2} y - 4 y^{2} z) (8 x^{2} y + 4 y^{3} z)

64 x^{4} y^{2} + 32 x^{2} y^{4} z - 32 y^{3} x^{2} z - 16 y^{5} z^{2}

求解步骤

(8 x^{2} y - 4 y^{2} z) (8 x^{2} y + 4 y^{3} z)

Apply FOIL method

(8 x^{2} y - 4 y^{2} z) (8 x^{2} y + 4 y^{3} z) : 64 x^{4} y^{2} + 32 x^{2} y^{4} z - 32 y^{3} x^{2} z - 16 y^{5} z^{2}

= 64 x^{4} y^{2} + 32 x^{2} y^{4} z - 32 y^{3} x^{2} z - 16 y^{5} z^{2}

\frac{10}{8} \div \frac{5}{2}

\frac{40}{17}

e x p an d (3 a^{3} - 2 a^{2} b^{5})^{5}

s im pl i f y B D + B (D + E) + D^{^{'}} (D + F)

e x p an d (2 x + 3) (5 x + 2)