Take out of parentathese
(3*2a)+(3*8b)-9b-a
6a+24b-9b-a
Combine like terms
(6a-a)+(24b-9b)
Answer:
5a+15b
x² + 2x + 2
Step-by-step explanation:
(F + G)(x)
= F(x) + G(x)
= 2x + x² + 2
= x² + 2x + 2
Answer:
= 30x − 18
Step-by-step explanation:
Answer: 1¹¹/₂₀ litres
Step-by-step explanation:
The fractions need to be added.
Find a common multiple for them.
Common multiple = 20
Divide the multiple by the denominator of the fraction and multiply the numerator by the result you get:

= 1¹¹/₂₀ litres