(a+4) ( a² + 3x – 6) (b) ( -4x² + 9xy – y² ) (3x +4y)
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Answer:
a)a^3 + 3ax -6a + 4a^2 + 12x -24
answer is a^3 + 12x+ 4a^2 + 3ax -6a -24
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