function estimation = moindres_carres(D_app, beta_0, beta_d, d)
    X = D_app(1, :)';
    Y = D_app(2, :)';

    B = Y - beta_0 * (1 - X).^d - beta_d * (X.^d);

    A = zeros(length(X), d - 1);

    for i = 1:(d - 1)
        A(:, i) = nchoosek(d, i) .* X.^i .* (1 - X).^(d - i);
    end

    estimation = A \ B;
end