Question

5 root 2 + 2 root 8 minus 3 root 32 + 4 root 128​

Answer 1

HEY MATE YOUR ANSWER IS HERE...

$5 \sqrt{2} + 2\sqrt{8} - 3 \sqrt{32} + 4 \sqrt{128} \\ \\ = 5 \sqrt{2} + 2 \sqrt{4 \times 2} - 3 \sqrt{16 \times 2} + 4 \sqrt{64 \times 2} \\ \\ = 5 \sqrt{2} + 2 \times 2 \sqrt{2} - 3 \times 4 \sqrt{2} + 4 \times 8 \sqrt{2} \\ \\ = 5 \sqrt{2} + 4 \sqrt{2} - 12 \sqrt{2} + 32 \sqrt{2} \\ \\ = (5 + 4 - 12 + 32) \sqrt{2} \\ \\ = 29 \sqrt{2}$

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