Question

    (a4 + 5a3 + 6a2) is

    equal to
    A a(a² + 3)(a + 2) Correct Answer Incorrect Answer
    B a² (a - 3)(a - 2) Correct Answer Incorrect Answer
    C a² (a + 3)(a + 2) Correct Answer Incorrect Answer
    D a(a + 3)(a² + 2) Correct Answer Incorrect Answer

    Solution

    Take a² common,
    (a4 + 5a3 + 6a2) = a2(a² + 5a + 6)
    = a² (a + 3)(a + 2)

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