Упростите:
а) x(2x^2-3x+1)+2x(3+2x-x^2)
б) m(m^2-mn+n^2)-n(m^2+mn+n^2)
в) 2p(1-p-3p^2)-3p(2-p-2p^2)
г) 2c(5a-3c^2)-c(a-6c^2)+3a(a-c)
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Упростите:
а) x(2x^2-3x+1)+2x(3+2x-x^2)
б) m(m^2-mn+n^2)-n(m^2+mn+n^2)
в) 2p(1-p-3p^2)-3p(2-p-2p^2)
г) 2c(5a-3c^2)-c(a-6c^2)+3a(a-c)
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Answers & Comments
а.) x^2+7x
б.)m^3-2m^2n-n^3
в.)p^2-4p
г.) 3a^2+6ac