solve the given quadratic equation by factorization method: x^2-9=0
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SOLUTIONS:
Solving the above given equation by factorisation method.
Given: x² - 9 = 0
⇒ x² - 9 = 0
⇒ x² - 3² = 0
Since, ( a² - b² ) = ( a + b ) ( a - b )
⇒ ( x + 3 ) ( x - 3 )
Answered by
1
Step-by-step explanation:
x²-3²=0
=>(x+3)(x-3)=0
=>x= -3 or 3
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