Answer:
15x3-25x
Explanation:
5x(3x2 -5)
step1: distribute 5x to both sides
Step 2: 3x2 would change into 15x3 (because you're multiplying by 5x)
Step3: -5 would turn into -25x (because you are multiplying by 5x also)
Step4: put both answers together and your end product would be (15x3 - 25x)