Math, asked by Yodtidu1545, 2 months ago

simplify (x + 9) (x – 9) this

Answers

Answered by HemankGupta

3

Answer:

x² - 81

Step-by-step explanation:

(x + 9)(x - 9)

= x² - 9²

= x² - 81

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Answered by pqp288u09

1

Answer:

by using foil method: X^2-2(x)(9)+81

x2-18+81

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