<span>1) (4х+3)^-24х=16x^+24x+9-24x=16x^+9</span>
<span>2) <span>(2х-5)^+20х=4x^-20x+25+20x=4x^+25</span></span>
x⁵ + 2x⁴ + 3x³ + 3x² + 2x + 1 = 0
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