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FeoNeo33

  • 3 years ago

Radical Expressions and Equations Help: (8+√11)(8 -√11) Straight up answer if you can. Answers ------- 53 75 + 16 √11 -57 64 + √11

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  1. ParthKohli
    • 3 years ago
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    \(\Large \color{MidnightBlue}{\Rightarrow (a + b)(a - b) = a^2 - b^2 \Longleftrightarrow (8 + \sqrt{11})(8 - \sqrt{11}) = 64 - 11 = 53 }\)

  2. ParthKohli
    • 3 years ago
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    Oops, let me fit in the next line here: \(\Large \color{MidnightBlue}{\Rightarrow = 64 - 11 }\) \(\Large \color{MidnightBlue}{\Rightarrow = 53 }\)

  3. FeoNeo33
    • 3 years ago
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    Thanks, and one more question, what math grade level is this stuff in?

  4. ParthKohli
    • 3 years ago
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    Idk, these are radicals. This is pre-algebra stuff I guess.

  5. FeoNeo33
    • 3 years ago
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    Cool. thanks again. Closing. Might have more. QQ....

  6. ParthKohli
    • 3 years ago
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    Sure, turn up if you need.

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