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anonymous

  • one year ago

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  1. sohailiftikhar
    • one year ago
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    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

  2. sohailiftikhar
    • one year ago
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    now \[16x^2+20x+20x+25\]

  3. sohailiftikhar
    • one year ago
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    now \[4(4x+5)+5(4x+5)=(4x+5)(4x+5)\]

  4. sohailiftikhar
    • one year ago
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    and ur answer is correct

  5. anonymous
    • one year ago
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    Hm I like the way you explained it. Thank you :)

  6. sohailiftikhar
    • one year ago
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    np :)

  7. anonymous
    • one year ago
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    way better than my book

  8. sohailiftikhar
    • one year ago
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    lol thanks for compliment :d

  9. sohailiftikhar
    • one year ago
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    but i'm average student

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spraguer (Moderator)
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