Ребят плиз срочно!
(2c+3)(3c+2)-(2c+7)(2c-7)
(3d+5)(5d-1)-(6d-3)(2-8d)Плиз ребят срочно!
(2c+3)(3c+2)-(2c+7)(2c-7)
(3d+5)(5d-1)-(6d-3)(2-8d)Плиз ребят срочно!
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Answers & Comments
(3d+5)(5d-1)-(6d-3)(2-8d)=15d²-3d+25d-5-(12d-48d²-6+24d)=63d²-14d+1