Question

(4x-3)la a doua -(3x+2) (3x-2) ?cat fac ?
Va rog, !!!
urgent

Answer 1

(16x²-24x+9)-(9x²-4)=
= 16x²-24x+9- 9x²+4=
= 7x²-24x+13

Answer 2

$\displaystyle (4x-3)^2-(3x+2)(3x-2)=(4x)^2-2 \cdot 4x \cdot 3+3^2-(9x^2-4)= \\ \\ =16x^2-24x+9-9x^2+4=7x^2-24x+13$