Answer:
Step-by-step explanation:
<u>Given expression</u>
(2x⁴ - 8x²y² - y⁴) - (-6x⁴ - 3x²y² + 5y⁴)
<u>Expand the parenthesis</u>
2x⁴ - 8x²y² - y⁴ + 6x⁴ + 3x²y² - 5y⁴
<u>Move like terms together</u>
2x⁴ + 6x⁴ - y⁴ - 5y⁴ - 8x²y² + 3x²y²
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<u>Combine like terms</u>
Hope this helps!! :)
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