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Solve the Equation (completing the square)

15 = x^2- 14x

User Kelsang
by
6.4k points

1 Answer

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Answer: x = -1, 15

Step-by-step explanation:

15 = x²- 14x

⇒ x²- 14x-15 = 0

⇒ x²- 15x+x-15 = 0

⇒ x (x-15) + (x-15) = 0

⇒ (x-15) (x+1) = 0

Now,

x= -1, 15

User XMight
by
6.2k points
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