Question

Aduceti la forma cea mai simpa expresia:
a)(x-1)(x-2)-(x-4)² va roggggg

Answer 1

a)(x-1)(x-2) - (x-4)²=
x²-2x-x-2 -x²-2x-16=
=x-x-16
x la 2 cu x la 2 se simplifica pt ca una are plus una minus

Answer 2

$x^{2} -2x -x+2-( x^{2} -8x+16)=$ $x^{2} -3x+2- x^{2} +8x-16$= 5x-14 x la puterea a 2 se reduce