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E(x)=(x+3) la a 2 a + 2 (x-4) la a 2 a, x ∈ R

Răspuns :

E(x)=x^2+6x+9+2(x^2-8x+16)
E(x)=x^2+6x+9+2x^2-16x+32
E(x)=3x^2-10x+41
E(x) = x^2+6x+9+2(x^2-8x+16) 
E(x) = x^2+6x+9+2x^2-16x+32 
E(x) = 3x^2-10x+41