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mamaluj [8]
3 years ago
7

Im really confused with this one.

Mathematics
2 answers:
nexus9112 [7]3 years ago
5 0
The expression 2x means 2 times x.
It also means x plus x.

These are appropriate descriptions:

2: The expression represents 5 plus 2 times x.
3: The expression represents 5 plus x plus x.
5: The expression represents the sum of 5 and 2x.
liberstina [14]3 years ago
4 0
The answers are the second, fifth, and sixth.
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Solve the equation: (5y + 2)(y - 3) = -13(2 + y)
storchak [24]

Answer:

2i

Step-by-step explanation:

Distribute:

(5y + 2)(y - 3)

5y^2-15y+2y-6

Which can be simplified into 5y^2-13y-6

Now the equation now looks like this: 5y^2-13y-6=-13(2+y)

For -13(2+y) multiply -13 with 2+y

Which is -26-13y

5y^2-13y-6=-26-13y

Simplify:

5y^2+20

Which can be simplified into 5(y^2+4)

y^2+4=0

y^2=-4

y=2i

Hope this helps!

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