Perfect Square Trinomial-By Grouping
With complete answer!
Ex.(8mt-12at)-(10mh+15ah)
4t(2m-3a)-5h(2m-3a)
Answer:(2m-3a)(4t-5h)

Questions:
1.7s+35om+9se+45oe
2.42wa+54wt+56ha+72ht
3.36yu-24ro+12ou-72yr
4.72he+16we+27hn+6wh
5.26wr-91or+35od-10wd

1
Sa Item no. 1 hindi yun 7sm?

Answers

2014-08-05T18:47:36+08:00
1. 
2. 42wa+54wt+56ha+72ht
  =6w(7a+9t) + 8h(7a+9t)
  =(6w+8h)(7a+9t)
3. 36yu-72yr+12ou-24ro
  =36y(u-2r) + 12o(u-2r)
  =(36y+12o)(u-2r)
4. 72he+16we+27hn+6wn
  =8e(9h+2w) + 3n(9h+2w)
  =(8e+3n)(9h+2w)
5. 26wr-91or-10wd+35od
  =13r(2w-7o)+ -5d(2w-7o)
  =(13r-5d)(2w-7o)
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