3 years ago

Rewrite x^2+12x+42 in the form (x+b)^2 +c

1 answer:

6 0

This is completing the square:

(x^2+12x+36)+42-36

Answer: (x+6)^2 +6

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wolverine [178]

Answer:

x = ± $\sqrt{\frac{f}{m} }$

Step-by-step explanation:

Given

mx² = f ( isolate x² by dividing both sides by m )

x² = $\frac{f}{m}$ ( take the square root of both sides )

x = ± $\sqrt{\frac{f}{m} }$

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ivanzaharov [21]

N= 7
2n+n+2n-2+2n-2=45
7n-4=45
7n=49
n=7

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Dovator [93]

Answer:

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Step-by-step explanation:

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scZoUnD [109]

Answer:

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Step-by-step explanation:

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Oliga [24]

Answer:

If you're saying Jan ate 1/4 of what was left. How much of the pie did Jan eat?

then the answer is 5/32

Step-by-step explanation:

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3 years ago