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melyus
@melyus
December 2021
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nadala99
5(4в -1,2)= 5•4в- 5•1,2 = 20в - 6
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АнастасьяФ
1. а) 20b-6
б) 0,8y^2+1,8y
в)12b+15b^2
г) -20y^3+4,8
2.a) 10a^3+20a^2-15a
б)20a^2-24a^3+12a^4
в) 5,6x-6,4x^2+7,2x^3
г) -6x^3+9,6x^2-10,5x
д)24x-30x^2+30x^2-18x-6x+18=18
3.a)7(x-3)
б)4(2x^2-3x+6)
в)2,5x(5,2+6,8x)
г)2x(3x^2+4x-5)
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Answers & Comments
б) 0,8y^2+1,8y
в)12b+15b^2
г) -20y^3+4,8
2.a) 10a^3+20a^2-15a
б)20a^2-24a^3+12a^4
в) 5,6x-6,4x^2+7,2x^3
г) -6x^3+9,6x^2-10,5x
д)24x-30x^2+30x^2-18x-6x+18=18
3.a)7(x-3)
б)4(2x^2-3x+6)
в)2,5x(5,2+6,8x)
г)2x(3x^2+4x-5)