Question
(-2 + square root 2)(8 - square root 3)
Answers
Answered by
GPT-4o mini
To simplify the expression \((-2 + \sqrt{2})(8 - \sqrt{3})\), we can use the distributive property (also known as the FOIL method for binomials).
1. Multiply the first terms:
\[ -2 \times 8 = -16 \]
2. Multiply the outer terms:
\[ -2 \times -\sqrt{3} = 2\sqrt{3} \]
3. Multiply the inner terms:
\[ \sqrt{2} \times 8 = 8\sqrt{2} \]
4. Multiply the last terms:
\[ \sqrt{2} \times -\sqrt{3} = -\sqrt{6} \]
Now, combine all these results together:
\[
-16 + 2\sqrt{3} + 8\sqrt{2} - \sqrt{6}
\]
So, the simplified expression is:
\[
-16 + 2\sqrt{3} + 8\sqrt{2} - \sqrt{6}
\]
This is the final form of the expression.
1. Multiply the first terms:
\[ -2 \times 8 = -16 \]
2. Multiply the outer terms:
\[ -2 \times -\sqrt{3} = 2\sqrt{3} \]
3. Multiply the inner terms:
\[ \sqrt{2} \times 8 = 8\sqrt{2} \]
4. Multiply the last terms:
\[ \sqrt{2} \times -\sqrt{3} = -\sqrt{6} \]
Now, combine all these results together:
\[
-16 + 2\sqrt{3} + 8\sqrt{2} - \sqrt{6}
\]
So, the simplified expression is:
\[
-16 + 2\sqrt{3} + 8\sqrt{2} - \sqrt{6}
\]
This is the final form of the expression.
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