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Lorico [155]
3 years ago
12

If using the method of completing the square to solve the quadratic equation

Mathematics
1 answer:
zheka24 [161]3 years ago
8 0

Answer: 25

Step-by-step explanation: The number that is added to both sides is the number that is needed to create a perfect square trinomial.

The question is, what is that number?

Well, it comes from a formula. The number that is added to both sides always comes from half the coefficient of the middle term squared.

So half of -10 squared or -5 squared which is 25.

So 25 is added to both sides.

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