(x-3)^2-(x+3)(x-3) при х= -0.1

Question

(x-3)^2-(x+3)(x-3) при х= -0.1

Answer 1

X²-6x+9-x²+9=18-6x=18-6*(-0,1)=18+0,6=18,6

Answer 2

X^2-6x+9-x^2-3x+3x-9
-6x
при x=-0.1
0.6