rikac72791
11.10.2020 •
Mathematics
Evaluate and simplify the
expression when a=2 and b=4.
4a + 2b2 - 2(a – 3b) = [?]
![Evaluate and simplify the
expression when a=2 and b=4.
4a + 2b2 - 2(a – 3b) = [?]](/tpl/images/1811/1375/4ea91.jpg)
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Ответ:
92
Step-by-step explanation:
let's start off by plugging 2 for every a in the equation and 4 for every b.
4a+2b^2-2(a-3b)=?
4(2)+2(4)^2-2(2-3(4))=?
8+8^2-2(2-12)=?
8+64-2(-10)=?
8+64+20=?
?=92
Ответ:
30
Step-by-step explanation: