👤

x patrat+4x-12=.......

Răspuns :

= x^2 - 6x + 2x - 12 = x( x - 6 ) + 2( x - 6 ) = ( x - 6 )( x + 2 ).
x²+4x-12=x²+6x-2x-12=x(x+6)-2(x+6)=(x+6)(x-2)