$a(2a-2)+2a(3-a)-a(5b-2)$

A cura di: Francesco Speciale

Svolgimento:
$a(2a-2)+2a(3-a)-a(5b-2)=$
$=2a^2-2a+6a-2a^2-5ab+2a=$
Raccogliendo e semplificando i termini simili otteniamo
$=(2-2)a^2+(2-2+6)a-5ab=6a-5ab=a(6-5b)$.

materiaEspressioni Letterali

$a(2a-2)+2a(3-a)-a(5b-2)$

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