( + 1 + ) - Dicamon

Question

( + 1 + )

Answer

10 = x ^ 2 + 2x + 1 - 2(2x + 2x ^ 2 - 1 - 2); x ^ 2 + 2k + 1 - 2(x + 2x ^ 2 - 1); 2 ^ 2 * x + 1 - 2x - 4x ^ 2 + 2 ^ y; =-3x^ 2 +3

Answer

c = (x + 1) ^ 2 - 2(2x - 1)(1 + x); - x ^ 2 + 2x + 1 - (4x - 2)(1 + x); =x^ 2 +2x+1-(4x+4x^ 2 -2-2x); =x^ 2 +2x+1-4x-4x^ 2 +2+2x; =-3x^ 2 +6x+3

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