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makvit [3.9K]
2 years ago
15

Factorise fully 6x + 9x cubed

Mathematics
2 answers:
o-na [289]2 years ago
6 0

Answer:

  • 3375x^3

Step-by-step explanation:

→ \left(6x\:+\:9x\right)^3

→ \left(15x\right)^3      [ add the x inside the bracket ]

→ 15^3x^3       [ remove the bracket ]

→ 3375x^3     [ final answer ]

Veronika [31]2 years ago
4 0

Answer:

3x(3x² + 2x)

Step-by-step explanation:

6x + 9x³

rearrange tribe

9x³ + 6x

factor by grouping

3(3x³ + 2x)

3x(3x² + 2x)

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