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CBSE Class 9 Answered

factorize
Asked by nmenghani | 03 Apr, 2010, 10:15: PM
Expert Answer

1.  12(3x-2y)2-3x+24-1  pls check this it must be 2y

2. a6-26a3-27 = a6-27a3+a3-27 = (a3+1)(a3-27)

3.5a2-b2-4ab+7a-7b = 5a2 - 5ab+ab - b2 + 7(a-b)

= 5a(a-b)+b(a-b) +7(a-b)

= (5a+b)(a-b)+7(a-b)

= (a-b)(5a+b+7)

do the remaining similarly

Answered by | 05 Apr, 2010, 10:02: AM
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