Question

упростите вырожение​

Answer 1

$3(x-3)(x-frac{1}{3})-6(x-frac{1}{2})(x+frac{1}{3})= 3(x^{2}-3frac{1}{3}x+1)-6(x^{2}-frac{1}{6}x-frac{1}{6})=3x^{2}-10x+3-6x^{2} +x+1=-3x^{2} -9x+4$

При x = -1,1

-3*(-1,1)²-9*(-1,1)+4 = -3*1,21+9,9+4 = -3,63+13,9 = 10,27