SOLUTION: write expression simplist form 4x-28 ----- 5x-35 4r^2-25s^2 ---------- 2r^2+3rs-20s^2
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Question 87231
:
write expression simplist form
4x-28
-----
5x-35
4r^2-25s^2
----------
2r^2+3rs-20s^2
Answer by
malakumar_kos@yahoo.com(315)
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2r^2+8rs-5rs-20s^2
2r(r+4s)-5s(r+4s)
(r+4s).(2r-5s)
4x-28/5x-35 = 4(x-7)/5(x-7) =4/5=0.8
4r^2-25s^2/2r^2+3rs-20s^2= (2r+5s).(2r-5s)/ (r+4s).(2r-5s)
(2r+5s)/(r+4s).