a)
(x+1)^2=x^2+2x+1
b)
(x+2)^2=x^2+4x+4
c)
(x+6)^2=x^2+12x+36
d)
(x-1)^2=x^2-2x+1
e)
(x-3)^2=x^2-6x+9
f)
(x-5)^2=x^2-10x+25
g)
(2x+1)^2=4x^2+4x+1
h)
(3x+4)^2=9x^2+24x+16
i)
(\frac{1}{2}x+2)^2=(\frac{1}{2}x)^2+2*\frac{1}{2}x*2+2^2=\frac{1}{4}x^2+2x+4
j)
(4x-1)^2=16x^2-8x+1
k)
(5x-2)^2=25x^2-20x+4
l)
(2x-\frac{1}{2})^2=(2x)^2-2*2x*\frac{1}{2}+(\frac{1}{2})^2=4x^2-2x+\frac{1}{4}
wzory skróconego mnożenia
(a+b)^2=a^2+2ab+b^2
(a-b)^2=a^2-2ab+b^2