Answer:
= 5u
Step-by-step explanation:
You combine like terms
( 2u+ 8u = 10u )
( -5u + 10 u =5u)
67 add the anwers though just so i can make sure
Susan has 50 so the difference is 5 sense sheila had 45
Multiply w with every term in the second parenthesis:
w³-2w²t+4wt²
multiple 2t with every term in the second parenthesis:
2w²t-4wt²+8t³
add up the products: w³+8t³