zadanie w załączniku
a) (4x² + 1) (¼x² + 9y²) - (x² + 3y²)= x⁴+¼x²+36x²y²+9y²-x²-3y²=x⁴-¾x²+36x²y²-3y²
b)(xy² + 3x) ( - xy² + 3x) - (3x)²=-x²y⁴-3x²y²+3x²y²+9x²-9x²=-x²y⁴
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zadanie w załączniku
a) (4x² + 1) (¼x² + 9y²) - (x² + 3y²)= x⁴+¼x²+36x²y²+9y²-x²-3y²=x⁴-¾x²+36x²y²-3y²
b)(xy² + 3x) ( - xy² + 3x) - (3x)²=-x²y⁴-3x²y²+3x²y²+9x²-9x²=-x²y⁴