упростите выражение
2y (11y - 9) + 0.5 (4y - 3) (4y + 3)
(a - 3b) (a + 3b) + (2a - 3b)^2 - 4a (b - a)
(x + 6y)^2 - (6y + 5x) (6y - 5x) + x (12y - 6x)
2y (11y - 9) + 0.5 (4y - 3) (4y + 3)
(a - 3b) (a + 3b) + (2a - 3b)^2 - 4a (b - a)
(x + 6y)^2 - (6y + 5x) (6y - 5x) + x (12y - 6x)
More Questions From This User See All
Answers & Comments
2)a^2-9b^2+4a^2-12ab+9b^2-4ab+4a^2=9a^2-16ab
3)x^2+36y^2-36y^2+25x^2+12xy-6x^2=20x^2+12xy