1) 2a²+5a
--------- · (5-2a)²
25-4a²
2) 2x-5 x²-4 (x-2,5)
--------- · --------------- · ----------
x-2 x²-5x+6,25 2
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1) 2a²+5a
--------- · (5-2a)²
25-4a²
2) 2x-5 x²-4 (x-2,5)
--------- · --------------- · ----------
x-2 x²-5x+6,25 2
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1) 2a²+5a (2а² + 5а) (5-2a)² (2а²+5а) (5-2а) 10а² - 4а(3) + 25а -10 а²
--------- * (5-2a)² = -------------------------- = --------------------- = ----------------------------------- =
25-4a² (5-2а) (5+2а) 5+2а 5+2а
а(25 - 4а²) а(5 - 2а) (5+2а)
= ---------------- = ----------------------- = а(5 - 2а)
5+2а (5+2а)