m3rk098 m3rk098
  • 26-04-2018
  • Mathematics
contestada

Hey:) can you please help me posted picture of question

Hey can you please help me posted picture of question class=

Respuesta :

Louli
Louli Louli
  • 26-04-2018
Answer:
x² + 10x + 25

Explanation:
Before we begin, remember the following:
(a + b)(a + b) = (a + b)² = a² + 2ab + b²

Now, for the given we have:
(x + 5)(x + 5)
We can note that the two brackets are identical.
Therefore, we can apply the above rule as follows:
(x + 5)(x + 5) = (x + 5)²
                     = (x)² + 2(x)(5) + (5)²
                     = x² + 10x + 25

Hope this helps :)
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