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Paladinen [302]
3 years ago
5

What is the answer to this problem (x+3)(x+5)

Mathematics
2 answers:
Annette [7]3 years ago
7 0
X²+15 x multiplied by x equals x² and 3 multiplied by 5 equals 15 and there's only a plus sign thus x² +15
klasskru [66]3 years ago
4 0
Easy, showing work,

using the method FOIL (First,Outer,Inner, Last)

Take, (x+3)(x+5) and multiply,

First,

x*x=x^{2}

Outer,

x*5=5x

Inner,

3*x=3x

Last,

3*5=15

Add the terms together,

x^{2}+8x+15   (x^{2}+5x+3x+15)

Thus, your answer.
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Step-by-step explanation:

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A dozen roses cost $60.00. What is the cost of two roses?
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There is a total of 36 books on the bookshelf. The number of hardback books is 15 more than twice the number of paperback books.
uranmaximum [27]

The number of hardback books that are on the bookshelf is 29 books.

  • Let the total number of books be T.
  • Let the number of hardback books be H.
  • Let the number of paperback books be P.

<u>Given the following data:</u>

  • Total number of books = 36 books

To determine the number of hardback books that are on the bookshelf:

Translating the word problem into an algebraic expression, we have;

The total number of books is:

T = H+P

The number of hardback books is 15 more than <u>twice</u> the number of paperback books:

H =2P+15

Substituting the given parameters into the formula, we have;

36 = 2P+15+P\\\\36=3P+15\\\\3P=36-15\\\\3P=21\\\\P=\frac{21}{3}

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H = 29 books

Read more on word problem here: brainly.com/question/24604067

3 0
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