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преобразовать в многочлен:
1) 2v(v+5)-(v-1)(v^2+v+1)
2) -2(x-1)x-(x+7)(x^2-7x+49)
3) (x-7)^2-2x(x+2)
4) (u-4)(u+1)+(u^2-u+1)(u+1)
5) -(c+5)^2-(c-4)(c+3)
6) (x+1)^2+2(x-1)(x+1)
7)(x+6)(x^2-6x+36)-2(x-3)(x+3)
8)2(c-3)(c+2)-(c+1)^3
9)-(b-2)(b+2)-2(b+4)(b+2)
10) (a+4)^2+2(a-3)(a-2)
преобразовать в многочлен:
1) 2v(v+5)-(v-1)(v^2+v+1)
2) -2(x-1)x-(x+7)(x^2-7x+49)
3) (x-7)^2-2x(x+2)
4) (u-4)(u+1)+(u^2-u+1)(u+1)
5) -(c+5)^2-(c-4)(c+3)
6) (x+1)^2+2(x-1)(x+1)
7)(x+6)(x^2-6x+36)-2(x-3)(x+3)
8)2(c-3)(c+2)-(c+1)^3
9)-(b-2)(b+2)-2(b+4)(b+2)
10) (a+4)^2+2(a-3)(a-2)
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Answers & Comments
2)-2x^2+2x-x^3+7x^2-49X-7x^2+49x-343=-x^3-2x^2+2x-343
3)x^2-14x+49-2x^2-4x=-x^2-18x+49
4)u^2+u-4u-4+u^3+u^2-u^2-u+u+1=u^3+u^2-3u-3
5)-c^2-10c-25-c^2-3c+4c+12=-2c^2-9c-13
6)x^2+2x+1+2x^2-2=3x^2+2x-1
7)x^3-6x^2+36x+6x^2-36x+216-2x^2+18=x^3-2x^2+234
8)2c^2+4c-6c-12-c^3-c^2-2c^2-2c-c-1=-c^3-c^2-5c-13
9)-b^2+4-2b^2-4b-8b-16=-3b^2-12b-12
10)a^2+8a+16+2a^2-4a-6a+12=3a^2-2a+28