Question

EFECTUATI
F)$( \frac{2}{3} x- \frac{1}{3} ) ^{2} -( \frac{2}{3} - \frac{1}{2} x) ^{2} -(x- \frac{1}{3} )( \frac{1}{3} +x)$

Answer 1

(2x-1)²/9-(4-3x)²/36-(3x-1)(3x+1)/9=
=(4x²-4x+1)/9 -(16-24x+9x²)/36-(9x²-1)/9=
=(16x²-16x+4-16+24x-9x²-36x²+4)/36=
=(-29x²+8x-8)/36