Question

Solve this equation using an algebraic method: (x+4)(x-4)=9​

Answer 1

Hey there.......

(x+4) (x-4) = 9

=> x² - 4² = 9

=> x² = 9 + 4² = 9 + 16 = 25

=> x² = 5²

=> x = 5

Here is your answer......

Hope this helps you friend.....

Be brainly ⚘⚘

Answer 2

The correct answer is "x = 5".

Step-by-step explanation:

$The \ given \ expression \ is:\\\\(x+4)(x-4)=9\\\\On \ applying \ multiplication,we \ get\\\\x(x-4)+4(x-4)=9\\\\x^2-4x+4x-16=9\\\\x^2-16=9\\\\On \ adding \ "16" \ both \ sides,we \ get\\\\x^2-16+16=9+16\\\\x^2=25\\\\x=\sqrt{25}\\\\x=5$

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https://brainly.in/question/13316868