Match the following — task. Mathematics State Board, Class 8.

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Answer variants:

80 x^{2} y^{4} z^{4}

36 x^{2} - 49 y^{2}

361 x^{4}

15 x^{2} + 55 x + 77 y + 31 xy + 14 y^{2}

12 xy + 54 x

19 x^{2} \times 19 x^{2}

\(=\)

-4 x^{2} z \times -5 y^{2} z^{2} \times 4 y^{2} z

\(=\)

6x \times (2y + 9)

\(=\)

(6 x + 7 y) \times (6 x - 7 y)

\(=\)

(5 x + 7 y) \times (3 x + 2 y + 11)

\(=\)

Did you find an error?

9. Match the following