Question

упростите выражение (x-6)^2-(x-2)( x+2)

Answer 1

$(x-6)^2-(x-2)( x+2)=x^2-12x+36-(x^2-4)=\\\\ =x^2-12x+36-x^2+4=-12x+40=4(10-3x)$

Answer 2

x²-12x+36-x²+4= -12x+40
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