a(x+1)²=x²+2*x*1+1²
b(x+2)²=x²+2*x*2+2²
c(x+3)²=x²+2*x*3+3²
d(x-1)²=x²-2*x*1-1²
e(x-2)²=x²-2*x*2+2²
f(3x-1)²=3x²-2*3x*1+1²
g(2x+1)²=2x²+2*2x*1+1²
h(2x-1)²=2x²-2*2x*1+1²
i(3x+1)²=3x²+2*2x*1+1²
j(2x-3)²=2x²-2*2x*3+3²
k(4x+3)²=4x²+2*4x*3+3²
l(5x-2)²=5x²-2*5x*2+2²
m(6x+5)²=6x²+2*6x*5+5²
n(6x-7)²=6x²-2*6x*7+7²
o(7x-8)²=7x²-2*7x*8+8²
