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Pole B = (x-3) = x² - 2*x*3+3²=x²-6x +9
Pole A - Pole B = x² +4x +4 - (x²-6x +9) = x² +4x +4 -x² +6x -9 =
= 10x - 5
Odp.C
(x+2)(x+2)=x2+4x+4
(x-3)(x-3)=x2-6x+9
x2+4x+4-x2+6x-9=10x-5