What is expand (5x^4y+4z)(-4z+5x^4y) ?

The solution to expand (5x^4y+4z)(-4z+5x^4y) is 25x^8y^2-16z^2

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expand (5x^4y+4z)(-4z+5x^4y)

expand

(5 x^{4} y + 4 z) (- 4 z + 5 x^{4} y)

25 x^{8} y^{2} - 16 z^{2}

Solution steps

(5 x^{4} y + 4 z) (- 4 z + 5 x^{4} y)

Apply Difference of Two Squares

(5 x^{4} y + 4 z) (- 4 z + 5 x^{4} y) : 25 x^{8} y^{2} - 16 z^{2}

= 25 x^{8} y^{2} - 16 z^{2}

7 x - 2 (x - 3 y) - 4 y

- 396

- x^{2} - 2 x^{2}

\frac{12}{16}

(\frac{1}{2})^{2} - 4 (\frac{1}{2}) + 3

What is expand (5x^4y+4z)(-4z+5x^4y) ?
The solution to expand (5x^4y+4z)(-4z+5x^4y) is 25x^8y^2-16z^2