Comment on I dunno

nomorebillboards@lemmy.world ⁨3⁩ ⁨weeks⁩ ago

• buddascrayon@lemmy.world ⁨3⁩ ⁨weeks⁩ ago

  Parentheses first then Division or Multiplication then add or subtract. PEDMAS

  8-5= 3 3*5=15 15+2=17

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  • SmartmanApps@programming.dev ⁨1⁩ ⁨week⁩ ago

    then Division or Multiplication

    There’s neither, only Addition and Brackets (and Subtraction inside Brackets).

    8-5= 3 3*5=15

    Nope. 2+5(8-5)=2+(40-25), The Distributive Law, a(b+c)=(ab+ac)

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    • buddascrayon@lemmy.world ⁨1⁩ ⁨week⁩ ago

      Nope. 2+5(8-5)=2+(40-25), The Distributive Law, a(b+c)=(ab+ac)

      Post picture declaiming brackets as a multiplication symbol, then proceeds to solve the problem to the exact same solution using distributive law to multiply both numbers within the bracket. Fucking genius.

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      • SmartmanApps@programming.dev ⁨6⁩ ⁨days⁩ ago

        Post picture declaiming brackets as a multiplication symbol,

        What do you think the “B” step in BEDMAS is for?? 😂

        proceeds to solve the problem to the exact same solution using distributive law to

        Distribute the coefficient over the terms inside the brackets

        Fucking genius

        Says someone who can’t tell the difference between Distributing, 2(1+3)=(2+6), and Multiplication, 2x(1+3)=2x4, 1/(2+6)=(1/8), 1/2x4=2

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• untorquer@lemmy.world ⁨3⁩ ⁨weeks⁩ ago

  Gotta distribute:

  2+(8+5)-(5+5)

  2+13-0

  15

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  • SmartmanApps@programming.dev ⁨1⁩ ⁨week⁩ ago

    Gotta distribute:

    Yes, but…

    2+(8+5)-(5+5)

    You didn’t. 2+5(8-5)=2+(5x8-5x5)

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  • RedAggroBest@lemmy.world ⁨3⁩ ⁨weeks⁩ ago

    Still not how distribution works. That would be:

    2+((85)-(55))

    2+(40-25)

    2+(15)

    17

    Anything other than 17 is wrong. No matter how you go about your multiplication step.

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    • untorquer@lemmy.world ⁨3⁩ ⁨weeks⁩ ago

      wizardry!

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  • axx@slrpnk.net ⁨3⁩ ⁨weeks⁩ ago

    Wtf, no, if you distribute you get the same result:

    2 + 5(8 - 5) =

    2 + (5 × 8) + (5 × -5) =

    2 + (40) + (-25) =

    2 + 40  - 25 = 2 + 15 = 17

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    • SmartmanApps@programming.dev ⁨1⁩ ⁨week⁩ ago

      2 + 5(8 - 5) = 2 + (5 × 8) + (5 × -5)

      Nope. 2 + 5(8 - 5) = 2 + (5 × 8 - 5 ×5) . a(b+c)=(ab+ac)

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    • untorquer@lemmy.world ⁨3⁩ ⁨weeks⁩ ago

      Yes i am, but if you subtract 15 from both sides it’s 2.

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