Bagaimana cara mengerjakannya??

[tex]7 \sqrt{50} + 2 \sqrt{18} - 2 \sqrt{32} \\ = 7 \sqrt{25 \times 2} + 2 \sqrt{9 \times 2} + 2 \sqrt{16 \times 2} \\ = 7 \sqrt{ {5}^{2} \times 2} + 2 \sqrt{ {3}^{2} \times 2 } + 2 \sqrt{ {4}^{2} \times 2} \\ = 7 \times 5 \sqrt{2} + 2 \times 3 \sqrt{2} + 2 \times 4 \sqrt{2} \\ = 35 \sqrt{2} + 6 \sqrt{2} + 8 \sqrt{2} \\ = (35 + 6 + 8) \sqrt{2} \\ = 49 \sqrt{2} [/tex]semoga bermanfaat,,

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