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Adding/Subtracting/Multiplying Polynomials

1) (-2)(-2)x+¹

2) -2(3x²y³)²

3) -2²(3xy²)³

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For these problems, I'm going to write x squared (x with an exponent of 2) as x^2. Same for other exponents.

1) (-2)(-2)x+¹

I'm assuming that the last 1 should not be an exponent, so the ...

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