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Kryger [21]
3 years ago
14

Complete the square for 5x^2-30x=5

Mathematics
2 answers:
xxMikexx [17]3 years ago
8 0

Answer: (x-3)^2=10

Step-by-step explanation:

Nikitich [7]3 years ago
3 0

Solve for x over the real numbers: by completing the square:

5 x^2 - 30 x = 5

Divide both sides by 5:

x^2 - 6 x = 1

Add 9 to both sides:

x^2 - 6 x + 9 = 10

Write the left hand side as a square:

(x - 3)^2 = 10

Take the square root of both sides:

x - 3 = sqrt(10) or x - 3 = -sqrt(10)

Add 3 to both sides:

x = 3 + sqrt(10) or x - 3 = -sqrt(10)

Add 3 to both sides:

Answer: | x = 3 + sqrt(10) or x = 3 - sqrt(10)

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