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pantera1 [17]
4 years ago
8

What is (x+y+3)(y+1)

Mathematics
2 answers:
iogann1982 [59]4 years ago
5 0

Answer:

3 + x + xy + 3y + y² +y

Step-by-step explanation:

You have to have multiplied every number with every number in the other parentheses:

y · x = <em>xy</em>, y · y = <em>y²</em>, y · 3 = <em>3y</em>

1 · x = <em>x</em>, 1 · y = <em>y</em>, 1 · 3 = <em>3</em>

<em></em>

Now, add the products together and simplify:

xy + y² + 3y + x + y + 3

3 + x + xy + 3y + y² +y             <===  since no like terms can be combined, just                      

                                        put them in alphabetical order for easier organization

TiliK225 [7]4 years ago
3 0

I have no idea, hope this helps!

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Answer:

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