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Alik [6]
3 years ago
8

Simplify this expression 9+3x2

Mathematics
1 answer:
Len [333]3 years ago
8 0
9+3x^2

It's technically already in simplest form, except you usually put x first

=3x^2+9
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26,143,062 expanded form
IrinaVladis [17]

20,000,000 + 6,000,000 + 100,000 + 40,000 + 3,000 + 60 + 2

5 0
3 years ago
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Please help with this problem with steps
Hoochie [10]
   x^4 - 1
-------------
   x^2 + 1

    (x^2 +1) (x^2 - 1)
= ------------------------
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3 0
3 years ago
How do I do number 29?
Oksi-84 [34.3K]
-2x+ 12 = x^2 +16
-2x -4 = x^2
-4= x^2 + 2x
-4= 3x
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4 0
3 years ago
PLEASE HELP ME NOW!!
puteri [66]

Answer:

x=4+-2\sqrt{7}

Step-by-step explanation:

To solve, we need to take square root of both sides first:

(x-4)^2=28\\\sqrt{(x-4)^2} =+-\sqrt{28} \\x-4=+-\sqrt{28}

Now we use the property of radical shown below to simplify square root of 28:

Property:  \sqrt{x*y}=\sqrt{x} \sqrt{y}

Now, we have:

x-4=+-\sqrt{28}\\x-4=+-\sqrt{4*7}\\x-4=+-\sqrt{4}\sqrt{7}\\x-4=+-2\sqrt{7}

Now we take 4 to the other side and isolate x:

x-4=+-2\sqrt{7} \\x=4+-2\sqrt{7}

first answer choice is right.

4 0
3 years ago
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What value for n makes the equation true? 8n - 2 = 2
kiruha [24]

Answer:

n = 1/2

Step-by-step explanation:

The answer is 1/2

I hope this helps you

3 0
3 years ago
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