3 years ago

(2(n+1)-1)^2-(2n-1)^2 simplified

Mathematics

1 answer:

Westkost [7]3 years ago

7 0

Answer: 8n

Let's simplify step-by-step.

(2(n+1)−1)2−(2n−1)2

Distribute:

=4n2+4n+1+−4n2+4n+−1

Combine Like Terms:

=4n2+4n+1+−4n2+4n+−1

=(4n2+−4n2)+(4n+4n)+(1+−1)

=8n

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