Question

simplify(a2+a+4)(a-2)​

Answer 1

Answer:

$(a {}^{2} + a + 4)(a - 2) \\ = a(a {}^{2} + a + 4) - 2(a {}^{2} + a + 4) \\ = a {}^{3} + a {}^{2} + 4a - 2a {}^{2} - 2a - 8 \\ = a {}^{3} - a {}^{2} + 2a - 8$

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Answer 2

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