Since there are only 4 terms in the sum, it's not too much work to expand it as
Alternatively, we can use the well-known formulas
These sums start at n = 0, so in our given sum we will keep track of the 0-th term separately:
as expected.
3x+4=8y-3 5x+1=10y-4
1 answer:
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<h2>Question: Factor: 4x2 + 4x</h2>
Find the GCF.
Factor out the GCF.
Simplify each term in parentheses.
Hence, the answer is 4x(x + 1).
<h2 /><h2>Question: Expand: -(x - 3) </h2>Remove parentheses.
Regroup terms.
Therefor, the answer is 3 - x.
Answer:
area is equal to 198 cm^2
Step-by-step explanation:
the height h of the left triangle can be obtained by
Pytagoras theorem:
the, the area of the left triangle is
the area of the right triangle is
and the area of the rectangle in the middle is
Por tanto, el area total sera
