Solve by factorising:
2.) x^2 - 9 = 0
Ans: 3 , - 3
From Quadratic Equation
Standard:- 10
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Answered by
5
Given Equation is x^2 - 9 = 0
= > (x)^2 - (3)^2 = 0
We know that a^2 - b^2 = (a + b)(a - b)
= > (x + 3)(x - 3) = 0
= > x = 3,-3.
Hope this helps!
= > (x)^2 - (3)^2 = 0
We know that a^2 - b^2 = (a + b)(a - b)
= > (x + 3)(x - 3) = 0
= > x = 3,-3.
Hope this helps!
siddhartharao77:
:-)
Answered by
8
Hey!!!
Good Evening
Welcome to my 900th maths answer on Brainly
Difficulty Level : Below to below average
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_________________
We have
=> x² - 9 = 0
=> x² = 9
=> x = + - √9
Thus
=> x = 3 or x = - 3
_________________
Hope this helps ✌️
Good Night :-)
Good Evening
Welcome to my 900th maths answer on Brainly
Difficulty Level : Below to below average
Chances of being asked in Board : 0%
_________________
We have
=> x² - 9 = 0
=> x² = 9
=> x = + - √9
Thus
=> x = 3 or x = - 3
_________________
Hope this helps ✌️
Good Night :-)
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