Odpowiedź:
Szczegółowe wyjaśnienie:
=2 (x^2-6x+9) -(16 +16x+4x^2)=
= 2x^2-12x+18 -16-16x-4x^2=
= -2x^2-28x+2
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Verified answer
Odpowiedź:
Szczegółowe wyjaśnienie:
=2 (x^2-6x+9) -(16 +16x+4x^2)=
= 2x^2-12x+18 -16-16x-4x^2=
= -2x^2-28x+2