Factor polynomials using structure
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Factor completely. 121x⁴ - 44x² + 4
(11x² - 2)²
Factor completely. 4x² - 25y²
(2x + 5y)(2x - 5y)
Factor completely. 4x² + 36xy + 81y²
(2x + 9y)²
Factor completely. 9x² + 30xy + 25y²
(3x + 5y)²
Factor completely. 16x² - 49y²
(4x + 7y)(4x - 7y)
Factor completely. 16x⁶ + 40x³ + 25
(4x³ + 5)²
Factor completely. 16x⁶ - 81
(4x³ + 9)(4x³ - 9)
Factor completely. 25x⁸ - 80x⁴ + 64
(5x⁴ - 8)²
Factor completely. 36x² - 84xy +49y²
(6x - 7y)²
Factor completely. 49x² + 70xy + 25y²
(7x + 5y)²
Factor completely. 49x² - 126xy + 81y²
(7x - 9y)²
Factor completely. 49x⁴ + 140x² + 100
(7x² + 10)²
Factor completely. (49x⁴ - 4)
(7x² + 2)(7x² - 2)
Factor completely. 49x⁸ + 42x⁴ + 9
(7x⁴ + 3)²
Factor completely. 81x² + 144xy + 64y²
(9x - 8y)²
Factor completely. 81x⁸ - 100
(9x⁴ + 10)(9x⁴ - 10)
