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anonymous

  • one year ago

Simplify the expression. (10 + 1)2 – 52 A 125 B 75 C 96 D 146

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  1. anonymous
    • one year ago
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    @geny55

  2. Nnesha
    • one year ago
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    \[\huge\rm (10+1)^2-52\] like this /

  3. Nnesha
    • one year ago
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    ?*

  4. Nnesha
    • one year ago
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    i guess it's \[\huge\rm (10+1)^2 -5^2\]right ?

  5. Nnesha
    • one year ago
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    if yes then start with the parentheses add those two numbers inthe parentheses and then take square

  6. anonymous
    • one year ago
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    I tried and got -41?

  7. Nnesha
    • one year ago
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    how did you get -41? explain plz :=)

  8. anonymous
    • one year ago
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    well you said to do that problem right^ ? well I tried it anyways (10+1) 2 - 52 and got -41 but im not sure if im doing it right cause that is not an option and at first I thought that it would be 75 which is option b , so im a little confused , am I right on b? cause I couldn figure out but I looked out for some help , but I don't know 100% if they are sure

  9. Nnesha
    • one year ago
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    what was ur first step ?

  10. anonymous
    • one year ago
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    well my first step was to do (10 + 1) first and I got 11 and then my next step was to do 2-52 which is -50 then I was thinking now to add -50 + 11 =-39 but the thing is that when I do the problem it doesn't seem to come up with an option :/

  11. anonymous
    • one year ago
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    hold on before you respond . let me double check please first

  12. anonymous
    • one year ago
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    well I still had gotten -41 but what I did is addi guess 11+ -41+ -39= -80 so I think its b for an estimate since 80 is closer but im not too sure im right , am I

  13. Nnesha
    • one year ago
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    2 is an exponent right ?

  14. anonymous
    • one year ago
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    yes

  15. Nnesha
    • one year ago
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    it should be (11)^2 which is same as 11 times 11 and same with 5^2 same as 5 times 2 and then subtract

  16. Nnesha
    • one year ago
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    \[(11)^2-5^2\] 11 times 11- 5 times 5

  17. anonymous
    • one year ago
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    ok I did 11*11 and 5*2 then I did 121-10 and got 111

  18. anonymous
    • one year ago
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    no wait I did 5*5 the n I got 96

  19. Nnesha
    • one year ago
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    \(\huge\color{green}{\checkmark}\)

  20. anonymous
    • one year ago
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    so c? yea thanks!

  21. Nnesha
    • one year ago
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    yep no problem :=)

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