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MariettaO [177]
3 years ago
8

Pls help with this math question

Mathematics
2 answers:
shtirl [24]3 years ago
3 0

Answer:

7:10

Step-by-step explanation:

Korvikt [17]3 years ago
3 0

Answer:

4/1

Step-by-step explanation:

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Factorise (x+y)^3- (x^3+y^3) plzzz answer ​
lilavasa [31]

Answer:

\huge \boxed{ \boxed{ \tt 2xy(x + y)}}

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • factoring
  • PEMDAS
<h3>tips and formulas:</h3>
  • (a+b)³=a³+3a²b+3ab²+b³
  • a³+b³=(a+b)(a²-ab+b²)
<h3>let's solve:</h3>
  1. \sf \: use \: 2nd \: formula \: to \: simplify :  \\  \sf(x + y {)}^{3}  - (x + y)( {x}^{2}  - xy +  {y}^{2} )
  2. \sf factor \: out \: (x + y) :  \\ (x + y )\{(x + y)^{2} - ( {x}^{2}  - xy +  {y}^{2}  \}
  3. \sf simplify :  \\ (x + y {)} \{ {x}^{2}  + 2xy +  {y}^{2}  -  {x}^{2}  + xy -  {y}^{2}  \}
  4. \sf collect \: and \: combine \: like \: terms :  \\ (x + y) \{2xy \}
  5. \sf \: rewrite : \\  2xy(x + y)

and

we are done

5 0
3 years ago
I need help solving this practice math problem ​
koban [17]
I think it’s D but I’m srry if u get it wrong
6 0
2 years ago
Minh wants to buy a car costing $9,950. She can put $1,000 down and finance the rest at 10.9% APR, making the monthly payments f
son4ous [18]

Answer:

piip;[-p-o-ul0i

Step-by-step explanation:

6 0
2 years ago
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Tamiku [17]

Answer:

n

Step-by-step explanation:

the answer is -60, which is not an option

4 0
2 years ago
Instructions are in the picture
Phantasy [73]

Answer:

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Step-by-step explanation:

3 0
3 years ago
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