Answer:
Step-by-step explanation:
→ [tex]\left(6x\:+\:9x\right)^3[/tex]
→ [tex]\left(15x\right)^3[/tex] [ add the x inside the bracket ]
→ [tex]15^3x^3[/tex] [ remove the bracket ]
→ [tex]3375x^3[/tex] [ final answer ]
3x(3x² + 2x)
6x + 9x³
rearrange tribe
9x³ + 6x
factor by grouping
3(3x³ + 2x)
