2 years ago

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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