Factorize : 6x³ + 21x² + 15x?

2008-04-12 7:26 am

回答 (5)

2008-04-12 7:33 am

✔ 最佳答案

6x^3 + 21x^2 + 15x
= 3(2x^2 + 7x^2 + 5x)
= 3x(2x^2 + 7x + 5)
= 3x(2x + 5)(x + 1)

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2008-04-12 7:59 am

3x ( 2xÂ² + 7x + 5 )
3x ( 2x + 5 ) ( x + 1 )

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2008-04-12 7:51 am

3x( 2x^2 + 7x+ 5)

3x{ (2x^2+ 5x+2x+5)}

3x{ x( 2x+5) +1(2x+5)}

3x{ (x+1) (2x+5)}

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2008-04-12 7:30 am

6xÂ³ + 21xÂ² + 15x
3x(2xÂ²+7x+5)
3x(2x+5)(x+1)

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2008-04-12 7:29 am

3x(2x^2 + 7x + 5)
3x(2x + 5)(x + 1)

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