Answer:
4x^3+8x^2
Step-by-step explanation:
Multiply each term:
4x^3+8x^2
PLZ MARK ME BRAINLIEST
-1 is your answer.........
Answer:
x = 12
Step-by-step explanation:
Subtract 3 from both sides
p.s. it would be 18 if it was x-3 = 15

get their LCD, like you'd with any other fractions, and add them up