Math, asked by join18478, 4 days ago

Simplify the following expressions: (i) (x + y + z)(x + y – z)
(ii) 7x2 (3x – 9) + 3

Answers

Answered by manishmiligupta

0

Answer:

1 x to the power 2

+ y to the power 2

- z to the power 2

2 14 - 27 x +3

17 - 27x

Pls mark me as the brainliest

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