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iren [92.7K]
3 years ago
10

I need help with all these questions

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
8 0

Answer:

Step-by-step explanation:

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Step-by-step explanation:

Solve for x:

x^2 - 12 x + 20 = 0

Hint: | Solve the quadratic equation by completing the square.

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x^2 - 12 x = -20

Hint: | Take one half of the coefficient of x and square it, then add it to both sides.

Add 36 to both sides:

x^2 - 12 x + 36 = 16

Hint: | Factor the left hand side.

Write the left hand side as a square:

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Hint: | Eliminate the exponent on the left hand side.

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Hint: | Look at the first equation: Solve for x.

Add 6 to both sides:

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Add 6 to both sides:

Answer: x = 10 or x = 2

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