Anonimus000ask
a fost răspuns

Descompune in factori : ( 4x + 1 )² - (2x + 3)²

Răspuns :

Miky93ask
[(4x+1)-(2x+3)][(4x+1)+(2x+3)]=

=(4x+10-2x-3)(4x+1+2x+3)=

=(2x+7)(6x+4)=

=2(2x+7)(3x+2)