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OpenStudy (anonymous):
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OpenStudy (sohailiftikhar):
just make pairs here to solve this as 16*25=400 so u have to find those numbers who's sum will 40 and who's product will be 400 so these two numbers are 20 and 20
OpenStudy (sohailiftikhar):
now \[16x^2+20x+20x+25\]
OpenStudy (sohailiftikhar):
now \[4(4x+5)+5(4x+5)=(4x+5)(4x+5)\]
OpenStudy (sohailiftikhar):
and ur answer is correct
OpenStudy (anonymous):
Hm I like the way you explained it. Thank you :)
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OpenStudy (sohailiftikhar):
np :)
OpenStudy (anonymous):
way better than my book
OpenStudy (sohailiftikhar):
lol thanks for compliment :d
OpenStudy (sohailiftikhar):
but i'm average student
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