Question

3 + 3 root2 multiple 3 minus 3 root 2​

Answer 1

Answer:

6

Step-by-step explanation:

$3 + 3 \sqrt{2} \times 3 - 3 \sqrt{2}$

${3}^{2} - { 3\sqrt{2} }^{2}$

$9 - 18$

$-9$

Answer 2

Answer:

3+3

$3 + 3 \sqrt{2} \: \times 3 - 3 \sqrt{2 } \\ = a + b \times a - b \\ {a}^{2} - {b}^{2} \\ {3}^{2} - {3 \sqrt{2} }^{2} \\ 9 - 18 \\ - 9$

So answer =-9

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