Ответ:
1. A = 25*x^2 - 4 - 0.5(4*x^2 + 12x + 9) = 25*x^2- 2*x^2 - 6x - 8.5=23x^2 - 6x - 8.5
Б = 6x - 7 - 3*(8x - 12x^2 - 2 + 3x) = 6x - 7 - 33x + 36x^2 + 6= -27x - 1 + 36x^2
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Ответ:
1. A = 25*x^2 - 4 - 0.5(4*x^2 + 12x + 9) = 25*x^2- 2*x^2 - 6x - 8.5=23x^2 - 6x - 8.5
Б = 6x - 7 - 3*(8x - 12x^2 - 2 + 3x) = 6x - 7 - 33x + 36x^2 + 6= -27x - 1 + 36x^2