👤

descompunand in factori expresia: x la a doua +10x+25 se obtine.......

Răspuns :

(x la a 2+5) totu la a 2
x² +10x+25= x²+5x+5x+25= x(x+5) +5(x+5)=(x+5)(x+5)= (x+5)²