Factorise: x^3+3x^2+3x+7
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Answer:
( x + 3 ) ( x² + 1 )
Step-by-step explanation:
( x³ + 3x²) + ( 3x + 7 )
x²( x + 3 ) + 1 ( 3x + 7 )
( x + 3 ) ( x² + 1 )
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