Subtract 7a2-4ab+2b2from 3ab+7a2+2b2
1 answer:
Answer:
Step-by-step explanation:
3ab + 7a² + 2b² - (7a² - 4ab + 2b²) = 3ab + 7a² + 2b² - 7a² + 4ab - 2b²
Now combine like term. Like terms have same variable with same power.
= <u>3ab + 4ab</u> <u>+ 7a² - 7a²</u> + <u>2b² - 2b²</u>
= 7ab
You might be interested in
Answer:
ok
Step-by-step explanation:
Because 0.09 is ten times as big as 0.009
2 gallons were left at the end of the day
Answer:
45° + 2k + k = 180°
=> 45 + 3k = 180
=> 3k = 180 – 45
=> k = 135/3
=> k = 45
other two angles :-
2k = 2×45 = 90°
k = 45°
Plug in 4 for X and you get 44
