Factor the difference of two squares
1.4x2 - 9y?
2.9x² - 16
3. a² - 9/25
4.9x² - 121y²
5. 16x⁴ - y⁴
6. 81x² - y2
7.49b² 100
8. 4ab²9a
9. 4x²-y4 - 36x⁴y²?
10. (2x-1) - 49
1.4x2 - 9y?
2.9x² - 16
3. a² - 9/25
4.9x² - 121y²
5. 16x⁴ - y⁴
6. 81x² - y2
7.49b² 100
8. 4ab²9a
9. 4x²-y4 - 36x⁴y²?
10. (2x-1) - 49
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Answer:
8x-9y
(3x-4)(3x+4)
1/25 (5a-3)(5a+3)
(3x-11y)(3x+11y)
(2x-y)(2x+y)(4x²+y²)
81x²-2y
4900b²
36a²b²
4x²-4y-36x⁴+y²
2(x-25)
hope it helps: )