MathematicsMedium128×since 2002Q5544If (α,β)(\alpha, \beta)(α,β) is the orthocenter of the triangle ABC\mathrm{ABC}ABC with vertices A(3,−7),B(−1,2)A(3,-7), B(-1,2)A(3,−7),B(−1,2) and C(4,5)C(4,5)C(4,5), then 9α−6β+609 \alpha-6 \beta+609α−6β+60 is equal to :A30B40C25D35Check answerSkip