(χ2-a)*(ax+1)
rozwiązanie :
x2*ax - a*ax + x2 - a
ax3-a2x+x2-a
(x² - a) × (ax + 1) =
= x² × ax + x² × 1 - a × ax - a × 1 =
= ax³ + x² - a²x - a =
= ax³ - a²x + x² - a
pzdr. ;))
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rozwiązanie :
x2*ax - a*ax + x2 - a
ax3-a2x+x2-a
(x² - a) × (ax + 1) =
= x² × ax + x² × 1 - a × ax - a × 1 =
= ax³ + x² - a²x - a =
= ax³ - a²x + x² - a
pzdr. ;))