3xy²(x - 5)
Step-by-step explanation:
The equation: 3x²y²-15xy²
x is common to both expression, we factorise it:
x(3xy² - 15y²)
y² is common to both expression, we factorise it:
xy²(3x - 15)
3 is common to both expression, we factorise it:
3xy²(x - 5)