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Stels [109]
3 years ago
5

What is the intermediate step in the form (x + a)? = b as a result of completing the

Mathematics
1 answer:
Mrac [35]3 years ago
5 0

Answer:

(x + 9)² = 36

Step-by-step explanation:

Given

x² + 18x + 57 = 12 ( subtract 57 from both sides )

x² + 18x = - 45

To complete the square

add ( half the coefficient of the x- term)² to both sides

x² + 2(9)x + 81 = - 45 + 81

(x + 9)² = 36

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cupoosta [38]

Answer:

75

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8 0
2 years ago
Which two integers are 7 units away from the number 5 on a number line? A-2 and 2 O B-2 and c. -- and D. -2 and​
Sloan [31]

Answer:

-2 and 12

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2 years ago
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kogti [31]
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5 0
3 years ago
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loris [4]

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5 0
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