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8090 [49]
3 years ago
12

Solve each equation? (n+2) ( n+1)= 0

Mathematics
2 answers:
Delicious77 [7]3 years ago
7 0

Answer:

n=-2,\:n=-1

Step-by-step explanation:

\left(n+2\right)\left(n+1\right)=0\\\mathrm{Using\:the\:Zero\:Factor\:Principle:\quad \:If}\:ab=0\:\mathrm{then}\:a=0\:\mathrm{or}\:b=0\:\left(\mathrm{or\:both}\:a=0\:\mathrm{and}\:b=0\right)\\\mathrm{Solve\:}\:n+2=0:\quad n=-2\\n+2=0\\\mathrm{Subtract\:}2\mathrm{\:from\:both\:sides}\\n+2-2=0-2\\\mathrm{Simplify}\\n=-2\\\mathrm{Solve\:}\:n+1=0:\quad n=-1\\n+1=0\\\mathrm{Subtract\:}1\mathrm{\:from\:both\:sides}\\n+1-1=0-1\\Simplify\\n=-1\\\mathrm{The\:solutions\:to\:the\:quadratic\:equation\:are:}\\n=-2,\:n=-1

goblinko [34]3 years ago
7 0
The other guy was correct on his work
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STALIN [3.7K]

Answer:

wheneveryouseeanxonthe

rightputa16thatwhatf(16)

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[isyouranswer]

Step-by-step explanation:

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6 0
3 years ago
What are the factors of 4 and 10?
zmey [24]
Factors of 4 : 1,2,4

factors of 10 : 1,2,5,10
8 0
3 years ago
Read 2 more answers
Which is bigger, 7/8 or 9/10
Nonamiya [84]
9/10 is the answer. 7/8 is 70/80 and 9/10 is 72/80
7 0
3 years ago
Helppppppppppppppppppppppppp
kumpel [21]
Answer:
x = 10

Explanation:
Note the following rules before we begin:
2 ln(a) = ln (a²)
ln (a) + ln (b) = ln (ab)

Now, for the given:
ln(20) + ln(5) = 2 ln(x)
ln(20*5) = ln(x²)
ln(100) = ln(x²)

This means that:
100 = x²
Therefore:
either x = 10 .........> acceped
or x = -10 .........> rejected as no negatives are allowed within ln functions

Hope this helps :)
5 0
3 years ago
Y-4x=9 in standard form
11111nata11111 [884]

Answer: y - 4x = 9 <em>in standard form is</em> -y + 4x = -9

4 0
3 years ago
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