Anarasida
6 год назад
(x-7)^2 = ?(2x^2+5)^2 = ?(8x^2+9)(8x^2-9) = ?(x^2-3y^3)^2 = ?(x-6) (x+6) = ?
ОТВЕТЫ
Виссарион
Oct 10, 2020
(x-7)^2=x^2-28x+49
(2x^2+5)^2=4x^2+20x+25
(8x^2+9)(8x^2-9)=64x^4-81
(x^2-3y^3)^2=x^4-6x^2 y^3+9y^6
(x-6)(x+6)=x^2-36
(2x^2+5)^2=4x^2+20x+25
(8x^2+9)(8x^2-9)=64x^4-81
(x^2-3y^3)^2=x^4-6x^2 y^3+9y^6
(x-6)(x+6)=x^2-36
501
