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Multiply $4$ times $2$
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$a^2-6a+8a$
Learn how to solve polynomial factorization problems step by step online. Factor by completing the square a^2-6a4*2a. Multiply 4 times 2. Combining like terms -6a and 8a. Factor the polynomial a^2+2a. Add and subtract \left(\frac{b}{2}\right)^2, replacing b by it's value 2. Now, we can factor a^2+2x+1 as a squared binomial of the form \left(x+\frac{b}{2}\right)^2.