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Solve for x in the equation x2 - 12x+ 36 = 90
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1 vote
Solve for x in the equation x2 - 12x+ 36 = 90

User Kamalakshi
by
4.0k points

1 Answer

6 votes

Answer:

6 + 3
√(10\\) or 6 - 3
√(10\\)

Explanation:

x^2 - 12x + 36 = 90

x^2 - 12x - 54 = 0

x =
\frac{-b +/- \sqrt{b^(2) + 4ac }}{2a}

a = 1, b= -12, c= -54

6 + 3
√(10\\) or 6 - 3
√(10\\)

User Sushant Verma
by
4.2k points
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