plzzz do this and ill make u brainliest
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Step-by-step explanation:
1.1 1+2x+3y², 3x-4-2x²
1-(-4)+2x+3x2x²+3y²
-5+7x⁴+3y²
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Step-by-step explanation:
If it was helpful...pls do brainliest it
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