Factorise 9x³ + 8x² + x + 2
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Answer:
x(9x² + 1) + 2(4x² + 1)
Step-by-step explanation:
9x³ + 8x² + x + 2
(9x³ + x) +(8x² + 2)
x(9x² + 1) + 2(4x² + 1)
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