Answer:
-2(9-22n)
Step-by-step explanation:
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Answer:
arithmetic series
Step-by-step explanation:
We are adding 1 each time , so this is an arithmetic sequence
a1 =5
The common difference is 1 so d=1
an = a1+d(n-1)
an = 5 + 1(n-1)
an = 5+n-1
an = n+4
If we have an arithmetic sequence, we have an arithmetic series when we add the arithmetic sequence
Answer:
Step 1:
Addition is commutative
A + B = B + A
So the terms can be rearranged
Step 4:
2x(2x - 3) + 5(2x - 3)
Since (2x - 3) is common to both terms,
You can take it common
(2x - 3)(2x + 5)
This can be proved verified using distribution property
(2x - 3)(2x + 5) is the same as
(2x + 5)(2x - 3) because multiplication is commutative
when the value of one variable is related to the value of a second variable we have a relation