Evaluate
\left(2x+a\right)^{2}+a-2x
Expand
4x^{2}+4ax-2x+a^{2}+a
Graph
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4x^{2}+4xa+a^{2}-\left(2x-a\right)
Use binomial theorem \left(p+q\right)^{2}=p^{2}+2pq+q^{2} to expand \left(2x+a\right)^{2}.
4x^{2}+4xa+a^{2}-2x+a
To find the opposite of 2x-a, find the opposite of each term.
4x^{2}+4xa+a^{2}-\left(2x-a\right)
Use binomial theorem \left(p+q\right)^{2}=p^{2}+2pq+q^{2} to expand \left(2x+a\right)^{2}.
4x^{2}+4xa+a^{2}-2x+a
To find the opposite of 2x-a, find the opposite of each term.
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