What is expand (3x^2y^4-3yz^2)(-3x^2y^4-3yz^2) ?

The solution to expand (3x^2y^4-3yz^2)(-3x^2y^4-3yz^2) is 9y^2z^4-9x^4y^8

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expand (3x^2y^4-3yz^2)(-3x^2y^4-3yz^2)

expand

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

9 y^{2} z^{4} - 9 x^{4} y^{8}

Solution steps

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

Apply Difference of Two Squares

(3 x^{2} y^{4} - 3 y z^{2}) (- 3 x^{2} y^{4} - 3 y z^{2}) : 9 y^{2} z^{4} - 9 x^{4} y^{8}

= 9 y^{2} z^{4} - 9 x^{4} y^{8}

2744

(5 y - 7) (- y)

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

What is expand (3x^2y^4-3yz^2)(-3x^2y^4-3yz^2) ?
The solution to expand (3x^2y^4-3yz^2)(-3x^2y^4-3yz^2) is 9y^2z^4-9x^4y^8