Question

solve this eqn by algebraic method
(X+4)(x-4)=9 ?​

Answer 1

Hope this helps if so plz mark as brainliest.

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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