Question

Descompuneti in factori expresia 32a – 4b + 8a^2  + 2b^2  + 34. (clasa a VII-a)

Answer 1

[tex]32a-4b+8 a^{2} +2 b^{2} +34=2(4 a^{2} +16a+16+ b^{2}-2b+1)= [/tex]
$2[4( a^{2}+4a+4)+ (b-1)^{2}]=8 (a+2)^{2}+2(b-1)^{2}$