Question

Simplify
√18 + 5√8 -7√2

Answer 1

Answer:

3√2+5*2√2-7√2

√2(3+10-7)

6√2

Answer 2

$6 \sqrt{2}$

Step-by-step explanation:

$\sqrt{18} + 5 \sqrt{8} - 7 \sqrt{2}$

$\sqrt{3 \times 3 \times 2} + 5 \sqrt{2 \times 2 \times 2} - 7 \sqrt{2}$

$3 \sqrt{2} + 5 \times 2 \sqrt{2} - 7 \sqrt{2}$

$3 \sqrt{2} + 10 \sqrt{2} - 7 \sqrt{2}$

$6 \sqrt{2}$