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Solve this equation using an algebraic method: (x + 4)( x - 4) = 9?
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Solve this equation using an algebraic method: (x + 4)( x - 4) = 9?
(x+4) (x-4) = 9x^2 -4x+4x -16 = 9x^2 -16 = 9x^2 = 9+16x = √25x = +5 & -5
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Most Upvoted Answer
Solve this equation using an algebraic method: (x + 4)( x - 4) = 9?
X²-4x+4x-16=9,x²=25,X=+5&-5
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Solve this equation using an algebraic method: (x + 4)( x - 4) = 9?
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