wyznaczyć współczynnik a z takiego wielomianu : w(x) =x^3+ax^2+3, w(-4) =3
w(-4) = (-4)^3 +a(-4)^2 + 3
w(-4) = -64 +16a +3
w(-4)= -61 + 16a
16a - 61 = 3
16a = 3+61
16a = 64/16
a = 4
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w(-4) = (-4)^3 +a(-4)^2 + 3
w(-4) = -64 +16a +3
w(-4)= -61 + 16a
16a - 61 = 3
16a = 3+61
16a = 64/16
a = 4