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ХхВанессахХ
@ХхВанессахХ
March 2022
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Помогите!!!! Я реально не понимаю(((
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wejde
Verified answer
18y³-6y²+20y-19=18y³-(6y²-20y+19)
P-Q=-x⁵+x⁴+2x³+x²+5x+9-(-x⁶-x⁵+2x³-4x²+5x+1)=-x⁵+x⁴+2x³+x²+5x+9+x⁶+x⁵-2x³+4x²-5x-1=x⁶+x⁴+5x²+8
Не может, так как квадрат числа при любых значениях x больше или равен нулю.
-5a³-(3a²-(a³-(3-a-a²))-(8a³+4a²-a))=-5a³-(3a²-(a³-3+a+a²)-8a³-4a²+a)=-5a³-(3a²-a³+3-a-a²-8a³-4a²+a)=-5a³-(-9a³-2a²)=-5a³+9a³+2a²=4a³+2a²
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Answers & Comments
Verified answer
18y³-6y²+20y-19=18y³-(6y²-20y+19)P-Q=-x⁵+x⁴+2x³+x²+5x+9-(-x⁶-x⁵+2x³-4x²+5x+1)=-x⁵+x⁴+2x³+x²+5x+9+x⁶+x⁵-2x³+4x²-5x-1=x⁶+x⁴+5x²+8
Не может, так как квадрат числа при любых значениях x больше или равен нулю.
-5a³-(3a²-(a³-(3-a-a²))-(8a³+4a²-a))=-5a³-(3a²-(a³-3+a+a²)-8a³-4a²+a)=-5a³-(3a²-a³+3-a-a²-8a³-4a²+a)=-5a³-(-9a³-2a²)=-5a³+9a³+2a²=4a³+2a²