Final Answer
Step-by-step Solution
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Add and subtract $\displaystyle\left(\frac{b}{2a}\right)^2$
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$x^2+2x+3+1-1$
Learn how to solve problems step by step online. Factor the expression x^2+2x+3. Add and subtract \displaystyle\left(\frac{b}{2a}\right)^2. Factor the perfect square trinomial x^2+2x+1. Subtract the values 3 and -1.