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3 years ago

Which method could be used to factor x2 - 25?

Mathematics

2 answers:

butalik [34]3 years ago

8 0

Answer:

Step-by-step explanation:

a² - b² = (a + b)(a - b)

x² - 25 = x² - 5² = (x + 5) (x - 5)

Mandarinka [93]3 years ago

6 0

Answer:

A. Perfect square Trinomial

Step-by-step explanation:

Just did its

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4 years ago

Which of these is NOT an integer

Tema [17]

Hi there!

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I believe your answer is:

Option A

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Here’s why:

⸻⸻⸻⸻

$\boxed{\text{Option A:}}\\\\3^{-5}\\\\\rightarrow \frac{1}{3^5}\\\\\rightarrow \frac{1}{243}\\\\\ \text{This is \textbf{NOT} an integer.}}$

⸻⸻⸻⸻

$\boxed{\text{Option B:}}\\\\-3^5\\\\\rightarrow -3 * -3 * -3 * -3 * -3 \\\\\rightarrow \boxed{-243}\\\\\\\text{This \textbf{IS} an integer.}$

⸻⸻⸻⸻

$\boxed{\text{Option C:}}\\\\\frac{1}{3}^{-5} \\\\\rightarrow \frac{1}{(\frac{1}{3})^5}\\\\\rightarrow \frac{1}{\frac{1}{243} }\\\\\rightarrow \boxed{243}\\\\\\\text{This \textbf{IS} an integer.}$

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$\text{Option \textbf{A} does not simplify into an integer.}$

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»»————-　★　————-««

Hope this helps you. I apologize if it’s incorrect.

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3 years ago

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torisob [31]

No bc they broke ash and they need more money

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3 years ago