(3a) - (8a) = -5a
2b + b = 3b
-5a + 3b
Answer:
Hello,
Answer A StartFraction x cubed + 2 x squared Over 3 EndFraction cm3
Step-by-step explanation:

the third of the sum of the cube of x and double of the square of x ( cm³)
.75 and 4 are the numbers you get when you divide the numbers
Carlos factored incorrectly because he didn't simplify the trinomial like Sophie did. They both will have the same answer, but Carlos needs to simplify before factoring.