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Add the following expressions: 5x^(2) ...

Add the following expressions:
`5x^(2) + 7y - 6z^(2) , 4y + 3x^(2), 9x^(2) + 2z^(2) - 9y` and `2y - 2x^(2)`

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To add the given algebraic expressions, we will follow these steps: 1. **Write down all the expressions**: - First expression: \( 5x^2 + 7y - 6z^2 \) - Second expression: \( 4y + 3x^2 \) - Third expression: \( 9x^2 + 2z^2 - 9y \) - Fourth expression: \( 2y - 2x^2 \) ...
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