Question

7√2+√50 é quanto?????

Answer 1

$\7 \sqrt{2} + \sqrt{50}\\ =7 \sqrt{2} + \sqrt{25\cdot2}\\ =7 \sqrt{2} + \sqrt{25}\cdot\sqrt{2}}\\ =7 \sqrt{2} + 5\sqrt{2}}\\ =12 \sqrt{2}$

Answer 2

7√2 + √5 x 5 x 2 >> 7√2 + 5√2 >> 12√2