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ICSE Class 9 Answered

2(x-3) ^2 - 32 factorise
Asked by sayantikasingh3318.9sdatl | 17 May, 2020, 08:30: PM
Expert Answer
2(x-3) ^2 - 32
 
Hint
Take 2 common, overall, you will get
2[(x-3)2 -16]
2[(x-3)2 -(4)2]
Apply the identity
a2 - b2 = (a + b) (a - b), we get
 
2[(x - 3 + 4) (x - 3 - 4)]
2[(x + 1) (x - 7)]
 
Answered by | 17 May, 2020, 09:14: PM
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