Week 6 Developing and Applying the Quadratic Formula

x^2 – 6x + 4=0

For me, quadratic formula is the easiest problem to solve because the only way to solve this is to remember the formula, and put each pattern in the foumula. Firstly, we need to find a, b and c for this formula in this question. A = 1, b= -6, c=4. Secondaly,  is to find the formula: .   Finally, place each pattern in  the formua.

We can get that:       The next important thing is that: do not forget to simplify (if it is possible) the last answer.

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