Simplify the polynomial: 2a–3b+c–(4a+7b+c+3)
15 points
2 answers:
Answer:
-2a-10b-3
Step-by-step explanation:
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To start out the problem, remove the parentheses.
![2a - 3b + c - 4a - 7b - c - 3\\ (2a -4a) + (-3b - 7b) + (c - c) - 3\\\boxed{-2a - 10b - 3]}](https://tex.z-dn.net/?f=2a%20-%203b%20%2B%20c%20-%204a%20-%207b%20-%20c%20-%203%5C%5C%20%282a%20-4a%29%20%2B%20%28-3b%20-%207b%29%20%2B%20%28c%20-%20c%29%20-%203%5C%5C%5Cboxed%7B-2a%20-%2010b%20-%203%5D%7D)
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the expression is 27a^3 or (3a)^3
Answer:
Answer is A U B = {3,5,7}
Find the total price
original price × sales tax
33 × 0.04 = 1.32
Add original price & sales tax
33 + 1.32 = 34.32
Hisako will pay $34.32 for her doll.
