Answer:
1. 4x² - 25
2. 9x² - 4
3. 9x² - 1
4. 4x² - 9
5. x - 36y⁴
6. 9x⁴ - 121
7. 16x²y² - 3z⁴
8. 9x^6 - 16
9. x² - 16y²
10. 4x² - 9y²
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Answers & Comments
Answer:
1. 4x² - 25
2. 9x² - 4
3. 9x² - 1
4. 4x² - 9
5. x - 36y⁴
6. 9x⁴ - 121
7. 16x²y² - 3z⁴
8. 9x^6 - 16
9. x² - 16y²
10. 4x² - 9y²