Question

(7y+5p)во второй степени

Answer 1

(7y+5p)²=49y²+70yp+25p²

Answer 2

разложить по много членам

Answer 3

(7y+5p)^2 = (7y+5p)(7y+5p)

Answer 4

(7у+5р)²=49у²+70ур+25р²