SOLUTION: Please factor completely the following polynomials: 1) (a-b)2(squared) - 4(c-d)2 (squared) 2) 6(x-y)2 (squared) + 23(x-y) - 4 Simplify and express answers using positive expon

Question 1757: Please factor completely the following polynomials:
1) (a-b)2(squared) - 4(c-d)2 (squared)
2) 6(x-y)2 (squared) + 23(x-y) - 4
Simplify and express answers using positive exponents only.
1) 5
----
4x-9 (exponent -9)
2) m-11 (exponent -11)
-------
m-5 (exponent -5)
3) (2a-3 (exponent 3))2 (squared)
Thank You.
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!
1. Given , this factorises to . So similarly, becomess
2. think of . This factorises to ...you just have to mess around with the possibilities and eventually find the correct pairing. There is no "secret" here, just looking at the numbers.
Hence, we then get
3.
4. becomes
5. becomes which becomes
cheers
Jon.
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