Question

сократитите дробь
a)7x²+28x-21
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2x³+9x²+10x+3


б) n⁴-7n³+4n²+7n-5
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n⁴-8n³+12n²-5n

Answer 1

$frac{21}{x+1} -frac{21}{5(x+3)} -frac{133}{5(2x+1)}$