Question

Представьте виде многочлена:
(X+2)²
(2a+3b)²
(5x-7)²
(m+4)²
(3m+2n)²
(8m-n)
(a+9)²
(3x+y)²
(4a-9)²
(5x-3y)

Answer 1

(X+2)²=x²+4x+4
(2a+3b)²=4a²+12ab+9b²
(5x-7)²=25x²-70x+49
(m+4)²=m²+8m+16
(3m+2n)²=9m²+12mn+4n²
(8m-n)²=64m²-16mn+n²
(a+9)²=a²+18a+81
(3x+y)²=9x²+6xy+y²
(4a-9)²=16a²-72a+81
(5x-3y)²=25x²-30xy+9y²

Answer 2

1)х^2+2*х*2+2^2=х^2+4х+4
2)(2а)^2+2*2а*3b+(3b)^2=4a^2+12ab+9b^2
3)(5x)^2-2*5x*7+7^2=25x^2-70x+49
4)9m^2+2*m*4+4^2=m^2+8m+16